'Cold, Icy' Past Is Best Explanation For How Mars Looks Today, Study Says Surface features seen on the Red Planet are more likely the result of an icy ancient climate than a warmer one with liquid oceans, lakes or rivers, a study suggests. Modeling of both possible scenarios suggests a cold, frozen past for Mars. by Jim Algar
Science NASA's Hubble Telescope Finds Distant Planet Has 'Sunscreen' Layer Of Atmosphere by Jim Algar
Science Astronomers Puzzle Out Possible Source of Mysterious Bright 'Swirls' On The Moon by Jim Algar
Science Hubble Took Its First Image 25 Years Ago - This Is The Story Of Its First Picture by James Maynard
Science Discovery Of Extremely Rare Quartet Of Quasars In Giant Nebula Excites 'Incredibly Lucky' Astronomers by James Maynard
Science Fluffiest Galaxies Discovered By Astronomers - But Please Don't Squeeze Them! by James Maynard
Science Astronomers Find 'Homeless' Galaxies That Have Been Flung Out Of Their Cosmic Birthplaces by Jim Algar
Culture The Week In Space: Mercury, Ceres, Pluto Photos, SpaceX News And The ISS Gets An Espresso Maker by Robin Burks
Science Organic Molecules Found Circling Nearby Star — Possible Building Blocks Of Life? by Jim Algar
Science Black Hole Mergers Help Astrophysicists Better Understand Gravitational Waves by James Maynard
Science Black Hole NGC-2276-3c May Be The Rare Missing Link In Black Hole Family Tree: Here's Why by James Maynard
Science Asteroid 2004 BL86 Preps For Earth Flyby Monday: Here's How And When You Can Watch It by Jim Algar