Tag: Mass Extinction

Volcanoes Likely Caused Earth's Biggest Mass Extinction, The Great Dying

The Great Dying killed off 95 percent of marine and terrestrial life 252 million years ago. Mercury found in ancient rock offers persuasive evidence volcanic eruptions are behind the biggest mass extinction that occurred on Earth.

Earth/Environment April 16, 2019

Deadly Fungi Causing Mass Amphibian Extinction, 90 Species Already Affected

A deadly fungal disease has been causing trouble for amphibians in the past 50 years. To date, 90 amphibian species have gone extinct because of the disease.

Animals March 28, 2019

Earth Could Hit Carbon Dioxide Levels Not Seen In 56 Million Years Within The Next Two Centuries

How close are we to an extinction-level global warming event? According to a new study, it may just be as little as 140 years, at the rate that we are emitting carbon dioxide in the atmosphere.

Earth/Environment February 23, 2019

Volcanic Eruptions Contributed To Mass Dinosaur Extinction, Studies Find

Was the asteroid that hit Earth solely responsible for the demise of dinosaurs? New studies find that a series of volcanic eruptions may have contributed to the mass extinction.

Ancient February 21, 2019

Scientists Find Similarities Between Modern Climate And 'Great Dying' 252 Million Years Ago

Scientists warned in a study that the world is recreating the same conditions that wiped out the majority of life on Earth 252 million years ago. Rising global temperatures and depleting oxygen in the ocean could cause the next mass extinction.

Earth/Environment December 7, 2018

Ancient Volcanic Eruptions Hint How Climate Change May Lead To Mass Extinction Events

The extinction of marine organisms in the Early Jurassic Period occurred after powerful volcanic eruptions sent large amounts of carbon dioxide into the atmosphere. What does this tell about modern-day climate change?

Earth/Environment June 14, 2018

Too Much Carbon Dioxide Caused Mass Extinction of Ocean Organisms 182 Million Years Ago

Could rising carbon dioxide levels drain the world’s oceans of oxygen and kill off all marine life? It certainly did so 182 million years ago, scientists found.

Earth/Environment June 12, 2018

Fossil Of 'Mother Of All Lizards' Reveals Reptile Group Squamate Survived Permian-Triassic Mass Extinction

The 240-year-old reptile Megachirella wachtleri is the mother of lizards. The reptile, which lived when the dinosaurs just emerged, was the direct ancestor of about 10,000 species alive today.

Animals May 30, 2018

Oceanic Changes That Propelled Mass Extinction 252 Million Years Ago Resemble Effects Of Climate Change Today

Scientists from the Arizona State University found that oceanic environmental changes, which had taken place in the years before the Permian-Triassic mass extinction were similar to the oceanic conditions brought by climate change today.

Earth/Environment April 18, 2018

Ozone Layer Depletion Caused By Ancient Volcanic Eruptions Contributed To Earth's Largest Mass Extinction

The depletion of the ozone layer caused by periodic volcanic eruptions has contributed to the largest mass extinction event Earth has experienced. How did the phenomenon lead to the collapse of the biosphere?

Earth/Environment February 8, 2018

Sixth Mass Extinction Will Happen By 2100: MIT Study

A mass extinction might occur by 2100, according to an MIT professor’s new study. If Earth’s oceans hit a certain carbon threshold, the sixth mass extinction could occur at the end of this century.

Earth/Environment September 21, 2017

Climate Change Threatens One Third Of All Parasites: Why This Is Bad

A third of all parasite species could be wiped out by the year 2070, according to researchers. Losing a significant amount of the species could spell bad news for the ecosystem.

Animals September 10, 2017

Sixth Mass Extinction Underway: Scientists Warn Earth Is Facing Biological Annihilation Of Species

A sixth mass extinction event is already happening and it is worse than researchers previously believed. What are its impacts on humans and what makes it different from the previous mass extinctions?

Earth/Environment July 11, 2017

Asteroid Extinction Event That Wiped Out Dinosaurs Cleared Way For Diversification Of Frogs

The mass extinction event that killed the dinosaurs helped the frogs to explosively evolve new species. How did the K–Pg extinction event caused by an asteroid impact benefited the amphibians?

Animals July 5, 2017

Mars Volcano And Dinosaurs On Earth Died At The Same Time

Arsia Mons, a volcano on planet Mars, became dormant about the same time the Cretaceous-Paleogene extinction event that killed the dinosaurs occurred. Why do scientists study volcanic activities on the Red Planet?

Space March 22, 2017

Thanks To A Strong Tail, Dinosaurs Managed To Stand On 2 Feet

What made bipedalism in dinosaurs possible, and what's the evolutionary purpose behind it? Researchers of a new study point to a strong tail made up of huge, leg-powering muscles.

Animals March 6, 2017

Half Of Earth’s Species Could Be Extinct By 2100: Biologists

One in five species on Earth is now threatened by extinction and the number could rise to 50 percent by 2100. These are some warnings of experts attending the Biological Extinction workshop at the Vatican this week.

Earth/Environment February 28, 2017

Ancient Mass Extinction Of Earth And Rebound Of Life: Fossils Prove It Was Faster, Debunks Old Theory

Contrary to the theory that life returned late after the Permian mass extinction 250 million years ago, new fossils found at the Idaho City in the United States have shown that the rebound was faster and a thriving marine life did exist.

Ancient February 17, 2017

Dino Eggs Took Six Or More Months To Hatch: Is This A Factor In Their Extinction?

New research finds that dinosaur eggs took considerably longer to hatch: a critical factor that likely hurt the creatures' survival in a post-exinction event marked by competitiveness and meager resources.

Animals January 3, 2017

New Fossil Discovery Point To Early Animals As Cause For First Mass Extinction On Earth

Fossils discovered in the Zaris site in Namibia offered 'snapshots' of the transition that led to the End-Ediacaran extinction. According to researchers, this was brought about by early animals starting to take their place in the world.

Animals August 1, 2016

Supernova To Blame? Nearby Explosion Might Have Caused Mass Extinction On Earth

Could a supernova explosion that occurred hundreds of light-years away cause mass extinctions on Earth? A new study provides details on such an event that happened millions of years ago.

Space July 13, 2016

Fossil Of New Ichthyosaur Species Hints At Evolution Of Marine Reptiles After Mass Extinction

The discovery of a more ancient ichthyosaur, Sclerocormus parviceps, showed how marine reptiles evolved after a mass extinction. The fossil cast doubt on an earlier theory that evolution during the period occurred for millions of years.

Ancient May 24, 2016

What The Discovery Of Hammerhead Marine Reptile Suggests About Life After The Permian Mass Extinction

Hundreds of millions of years ago, a massive extinction event wiped out 96 percent of species on Earth, and the 4 percent survived. The discovery of a marine reptile may offer insight about the survival of these remaining species.

Ancient May 7, 2016

Toothless Beak And Seeds Kept The Birds Alive During Periods Of Mass Extinction

Seeds helped the modern-day birds' ancestors survive the periods of mass extinction following an asteroid hit. Research found that today's birds' last common ancestor was a seed eater with a toothless beak.

Animals April 25, 2016

This Is How Deep-Sea Creatures Survived The Asteroid That Killed The Dinosaurs

A catastrophic asteroid wiped out all life on earth, well almost. Deep sea creatures have survived the impact and experts may have the answer on why they were able to surpass one of the planet's most comprehensive mass extinctions.

Animals April 17, 2016

Neanderthals May Have Died From Tropical Diseases Carried By Humans From Africa

Neanderthals died out around 40,000 years ago and a new hypothesis presented by researchers is challenging all the other existing theories regarding their annihilation. The new theory suggests that disease contraction may have led to the extinction of the close relatives of modern humans.

April 12, 2016

Certain Species Survived Mass Extinctions Using Live Fast, Die Young Strategy

A study of ancient fossils reveals that species adapted to life post the catastrophic mass extinction, by enabling shorter life expectancies and early reproduction - 'live fast, die young' strategy.

April 7, 2016

Planet X May Be Responsible For Mass Extinctions On Earth

A retired astrophysicist said Planet X could have caused mass extinctions on Earth. The elusive planet has been triggering comet showers, roughly every 27 million years, that result in periodic mass extinctions.

Space March 31, 2016

Remains Of Bus-Sized Marine Crocodile Unearthed In Sahara Desert

Paleontologists unearthed the bizarre remains of a bus-sized ocean crocodile that lived 130 million years ago. Dubbed as the largest sea crocodile discovered, this new discovery sparked the interest of animal experts.

Animals January 13, 2016

Centaur Comets: How These Massive Celestial Rocks Threaten Life On Earth

Drastic historical climate changes caused by massive Trans-Neptunian comets reaching the Earth's orbit led to societal collapses. Find out how these celestial bodies could wipe out life on Earth as we know it.

Space December 23, 2015

New Study Says 'Curtain Of Fire' Killed The Dinosaurs: Other Possible Causes Of The Animals' Extinction

Scientists are yet to agree on why dinosaurs became extinct, but there is a wealth of likely causes behind their disappearance 66 million years ago. The potential reasons go beyond the volcanism theory.

Animals November 26, 2015

Extinction Of One Predator Species Triggers Demise Of Other Carnivores: Study

Conservation biologists from the University of Exeter backed previous research demonstrating horizontal extinction cascades. In their study, annihilating one wasp species led to a higher extinction rate in fellow wasp species.

Animals November 15, 2015

Smaller Species Dominate After Mass Extinction Events: Why?

Researchers found that for a minimum of 40 million years after a die-off, notably smaller fish dominated the oceans. They pointed to natural selection as one reason for this newfound post-mass extinction dominance.

Animals November 13, 2015

Ancient Mass Extinction Paved Way To Dominance Of Tiny Fish

Fossil records showed that smaller fish dominated the ocean after the Hangenberg event. Abrupt mass extinction events could set off a lasting Lilliput Effect that favor smaller organisms.

Animals November 12, 2015

Tiny Molecules May Have Caused Ancient Mass Extinction Events, Says New Theory

Prolonged depletion of selenium in oceans led to lack of oxygen and collapse of food chains, causing three ancient mass extinctions, a new study says. Apparently, when there are no earthquakes or movement of tectonic plates, the ocean is starved of essential elements for survival.

Animals November 5, 2015

Showers Of Comets And Asteroids May Be Linked To Many Of Earth's Mass Extinction Events

The asteroid impact that killed off the dinosaurs was not a one-off event, researchers suggest. Similar extinctions triggered by cosmic bombardments may have happened a number of times in the past, they say.

October 22, 2015

Sixth Mass Extinction Could Wipe Out Humans, Researchers Warn

Human beings may fall victim to the sixth major extinction, which some environmentalists warn is happening right now. Are we killing off our species?

August 15, 2015

New Tadpole Disease Could Affect Frog Populations Worldwide

Researchers from the Natural History Museum and the University of Exeter have discovered a new and highly infectious disease for tadpoles among frog specimens collected from different parts of the world.

Earth/Environment August 12, 2015

Sudden Heat Spikes As Part Of Climate Change Did In Ancient Mammoths

Heat, not cold, caused the disappearance of many large species of animals during the last ice age, researchers say. Global warming similar to what is under way today contributed to animals like mammoths and giant sloths going extinct, they report.

July 23, 2015

Humans: Cause Of Extinction Of Nearly 500 Species Since 1900

An international team of researchers led by the National Autonomous University in Mexico discovered that since 1900, around 477 different species have died off as a consequence of human activity. This rate is 100 times faster compared to the natural rate of extinction.

Earth/Environment June 30, 2015

Asteroid 'Double Whammy' May Have Triggered Massive Volcanic Eruptions, Ended Dinosaurs' Reign On Earth

An asteroid impact 66 million years ago probably 'rang' the Earth 'like a bell,' setting off catastrophic volcanic activity, researchers suggest. Gigantic lava flows and clouds of gas may have been the last nail in the coffin for dinosaurs.

Animals April 30, 2015

Should Earth's List Of Mass Extinction Events, Now At Five, Be Expanded To Six?

Paleontologists say an extinction event around 260 million years ago was global and should be added to the list of such events known in Earth's history. Evidence of the global reach of so-called Capitanian event found in the tropics and Norway.

Animals April 21, 2015

Acidic Oceans Caused Earth's Greatest-Ever Extinction Event

Thousands of years of volcanic eruptions turned the world's oceans acidic 250 million years ago, leading to a Great Dying, scientists say. Mass extinction killed of 90 percent of marine species and two-thirds of land species, they estimate.

Animals April 9, 2015

New Theory Suggests Dark Matter Caused Dinosaur Extinction And It Might Strike Again

A geoscientist has proposed the events that led to mass extinction of life on Earth in the past including the one that wiped out the dinosaurs 66 million years ago could be attributed to dark matter.

Animals February 24, 2015

Mass Extinctions: Plants Are Resilient, Animals Are Not

In almost all of the Earth's ancient mass extinction events, plants have weathered the disaster much better than animals have, researchers say. Ability to survive and recover has helped create plants' extensive biodiversity today, they find.

Animals February 18, 2015

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