Two groups of scientists have found the missing baryons in hot filaments of gas that link galaxies together. Here's how they found these by taking advantage of the Sunyaev-Zel'dovich effect.
Space October 11, 2017
Hypervelocity stars in the Milky Way are likely fugitives from a neighboring galaxy. These fast-moving objects have traveled great distances they may unveil secrets of dark matter and the Sagittarius A black hole.
Space July 7, 2017
A newly released image from NASA Hubble telescope reveals that a huge cluster of galaxies called Abell 370, has an array of galaxies guarding it and is useful in studying far-flung galaxies by its gravitational lensing property.
Space May 5, 2017
A combined image of more than 23,000 galaxy pairs suggests that dark matter exists. It also confirms galaxies are connected together through a cosmic web of the invisible substance.
Space April 15, 2017
Researchers at the University of Waterloo have captured a composite image of the elusive dark matter for the first time. The mysterious matter’s image has the face of a ghost and teased out by gravitational lensing method.
Space April 14, 2017
Using instruments of the Very Large Telescope in Chile, astronomers found evidence that dark matter played a minor role in early galaxies. What were their observations?
Space March 16, 2017
Astronomers successfully mapped out the distribution of dark matter in three galaxy clusters, thanks to data from NASA’s Hubble Space Telescope. These dark matter maps offered scientists insight into the existence of cold dark matter particles.
Space March 2, 2017
Supermassive black holes rip stars apart 100 times more often than previously thought in a cosmic event known as Tidal Disruptive Events (TDEs). TDEs are useful to locate supermassive black holes that will aid in the study of their strong gravity.
Space February 28, 2017
New evidence points to the extragalactic void called the Dipole Repeller as the likely key for shifting galaxies, with researchers hypothesizing that the two points are controlling the group of galaxies’ movement. There's also a push-and-pull motion happening around our galactic neighborhoods, the study says.
Space January 31, 2017
Astronomers led by Sherry Suyu of the Max Planck Institute in Germany have found that the universe is expanding faster than expected. They updated the Hubble Constant to a higher rate at 44.7 miles per second per megaparsec.
Space January 28, 2017
Vera Rubin, the famous astronomer who proved the existence of dark matter, died on Dec. 25 at the age of 88 in a Princeton hospital. Rubin’s pioneering contribution on “black matter” studies had been path breaking and made it one of the cardinal principles of the universe.
Space December 27, 2016
Vela supercluster, one of the biggest super cluster of galaxies, has been found near the Milky Way by a team of international astronomers. Remaining undetected, Vela had been exerting a strong influence on the Milky Way’s speed and direction.
Space December 25, 2016
The world's largest digital sky survey has been released. Known as Pan-STARRS project, the survey offers extensive information on 3 billion stars, galaxies and other objects for the public.
Space December 22, 2016
The open observable universe might contain at least 10 times more galaxies than initially thought, according to a new study. A team of researchers from the UK said this and explained the reasons why such galaxies are invisible to the human eye.
Space October 15, 2016
Known as the Milky Way's 'dark twin,' the Dragonfly 44 galaxy is special because it contains 99.99 percent dark matter. The galaxy is also changing what scientists thought they understood about this substance and the formation of galaxies.
Space August 28, 2016
Two dwarf galaxies that spent most of their existence in the Local Void are migrating to a cosmic big city. Scientists expect Pisces A and B will grow rapidly and produce many stars in their new environment.
Space August 15, 2016
The largest 3D map of the universe, which validates Einstein's theories, can make accurate measurements of dark energy and how it affects changes in the universe. The new map can also measure the universe's expansion rate.
Space July 18, 2016
Scientists constructed the largest-ever three-dimensional map of distant galaxies to come up with the most precise measurements yet of the elusive dark energy that drives the accelerated expansion of the universe.
Space July 14, 2016
A rare 'Frankenstein' galaxy located 250 million light-years away may have been the result of separate entities merging together, a new study revealed. Scientists were surprised at the galaxy's bizarre characteristics.
Space July 12, 2016
Spectacular new infrared images from the Ultra Deep Survey revealed a deep glimpse of the distant universe. What can astronomers learn from these infrared images?
Space July 4, 2016
A rarely seen form of galaxy that resembles a tadpole has been imaged by astronomers using the Hubble Space Telescope. What secrets did Kiso 5639 reveal?
Space June 28, 2016
It was thought that black hole exclusively feed on hot ionized gas. It turns out black holes also feed on clouds of cold space gas, ALMA observations revealed.
Space June 9, 2016
Astronomers observe a hydrogen signal coming from a distant galaxy. While hydrogen is abundant in the universe, its presence reveals much about a galaxy since it is the primary fuel used in creating stars.
Space June 3, 2016
Why do some galaxies stop producing stars? A new study offers clues on how supermassive black holes at the center of Red Geyser galaxies could prevent formation of new stars.
Space May 26, 2016
A faint blue galaxy located 30 million light-years from Earth could reveal answer to mysteries of the Big Bang. What can the Little Lion teach astronomers about the earliest galaxies in the universe?
Space May 13, 2016
For the first time, astronomers have seen two galaxies with a very unique peanut shell-shaped configuration. There’s not only one but two of these peanuts.
Space May 9, 2016
A supermassive black hole has been "weighed" by astronomers with an unprecedented level of precision. Why is this essential for understanding the basic nature of galaxies through the universe?
Space May 6, 2016
A dark matter galaxy may have been detected, by accident, by astronomers testing equipment at ALMA. How did they find a galaxy that does not give out light?
Space April 15, 2016
If supermassive black holes can be found in sparsely populated regions of the universe like Galaxy NGC 1600 and not just in dense ones like the Coma cluster, then they have a much bigger population out there than previously thought, according to scientists.
Space April 8, 2016
Galaxy GN-z11 is seen by the Hubble Space Telescope, sitting 13.4 billion light years from Earth. How are astronomers searching for the oldest families of stars?
Space March 4, 2016
All of us have dreamed of reaching for the stars. A breathtaking map of the Milky Way shows how beautiful our home galaxy is, and at the same time, points us to the regions where stars are born.
Space February 26, 2016
Distant galaxy NGC 4889 has a supermassive black hole with a mass 21 billion times that of our sun - a record-breaking discovery. NASA and ESA observed the new discovery, which now in a dormant phase for a more intimate look at black holes and faraway galaxy formations.
Space February 13, 2016
Scientists at the International Center for Radio Astronomy Research in Australia have discovered hundreds of new galaxies hiding behind the expanse of the Milky Way. The team believes this could help them uncover more information on a massive gravitational anomaly in space known as the Great Attractor.
Space February 10, 2016
Researchers have found a whopping 250 previously-undiscovered galaxies by using a radio telescope. Many of the galaxies discovered were thought to have been there, but they had not been observed.
Space February 9, 2016
Hubble Space Telescope was able to capture an irregular galaxy called NGC 5408. The rebel galaxy does not have a typical shape and is said to have an ultraluminous X-ray source.
Space January 29, 2016
A new study conducted by researchers in China and the United States suggests that dense collections of stars known as globular clusters are capable of producing newer generations of stars. This is done by taking in star-forming dust and gas that the clusters encounter as they move about their respective host galaxies.
Space January 28, 2016
The bright light of quasar SDSS J1011+5442 has significantly dimmed in a period of just two years. Astronomers attribute this sudden change to the quasar running out of fuel.
Space January 10, 2016
Gamma rays from a blazar and which took 7.6 billion years to reach Earth were caught by NASA's Fermi telescope in April. In a follow-up study, scientists examined the blazar again and detected high-energy gamma rays that are crucial in probing the evolution of extragalactic background light and the universe.
Space December 16, 2015
A discovery could yield a new understanding of the formation of the universe's earliest galaxies, astronomers say. The galaxy is seen as it existed 13.8 billion years ago.
Space December 6, 2015
This week's images go from macro to micro in a major way. From dead galaxies to mouse gametes, we've got it all.
Space November 20, 2015
Astrophysicists are puzzled by massive galaxies almost as old as the universe. Such large galaxies from when the universe was just a few billion years old shouldn't have had time to form, they say.
Space November 20, 2015
Physicists at Princeton may have the answer to how magnetic fields form around stars and galaxies ... and it's totally counter-intuitive.
Space November 12, 2015
The discovery of 252 dwarf galaxies enabled astronomers to see what occured in the early universe. Scientists were able to look into the universe's early formation dating back 600 to 900 million years after the Big Bang.
Space October 24, 2015
Astronomers have caught a glimpse of the early universe through the data collected by the Hubble Space Telescope. The discovery of 252 faint dwarf galaxies will contribute to the understanding of the universe's formation.
Space October 23, 2015
Scientists set out to prove Albert Einstein right but have failed, failing to detect gravitational waves in colliding black holes, as described in his general theory of relativity, in the last 11 years.
Space September 29, 2015