By Eugenie Samuel Reich Dale Frail couldn’t resist the prospect of watching a black hole swallow its prey. Frail, who is in charge of the Very La...

By: Megan Gannon Published: 05/14/2013 11:42 AM EDT on SPACE.com Scientists using the Hubble Space Telescope have discovered two dead stars 150 ...

By: Nola Taylor Redd Published: 05/08/2013 01:19 PM EDT on SPACE.com A never-before-seen interstellar network of gas between two nearby galaxies m...

By: Denise Chow Published: 05/06/2013 11:47 AM EDT on SPACE.com As planets age, they typically become cooler and darker, but astronomers have long...

By: Clara Moskowitz Published: 05/03/2013 01:09 PM EDT on SPACE.com A new hunt for dark matter — an invisible but bountiful constituent of the un...

By: Clara Moskowitz Published: 05/02/2013 02:07 PM EDT on SPACE.com In the next five years or so, scientists are poised to discover proof that spa...

By: Charles Q. Choi, SPACE.com Contributor Published: 05/01/2013 07:06 AM EDT on SPACE.com The mysterious bias of life on Earth toward molecules t...

By: Clara Moskowitz Published: 04/25/2013 02:02 PM EDT on SPACE.com An extreme pair of superdense stars orbiting each other has put Einstein's gen...

What's the human body made of? Ninety-nine percent consists of atoms of just six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus...

By John Matson All supernovae are bright. When a star ends its life in a cataclysmic explosion, it emits a burst of energy and light that can outshi...

By: Mike Wall Published: 04/09/2013 06:14 PM EDT on SPACE.com In a cosmic first, astronomers have discovered a black hole chowing down on what may...

By: Mike Wall Published: 04/08/2013 08:52 AM EDT on SPACE.com NASA's planet-hunting Kepler space telescope has witnessed an ultradense dead star b...

By Zeeya Merali In March 2012, Joseph Polchinski began to contemplate suicide — at least in mathematical form. A string theorist at the Kavli Insti...

By: Mike Wall Published: 04/06/2013 09:05 AM EDT on SPACE.com NASA has picked two new low-cost missions for launch in 2017: a planet-hunting satel...

By Sid Perkins Some of the most powerful explosions in the universe just got a bit more varied. Astronomers have already categorized two broad group...

By: Elizabeth Howell Published: 03/20/2013 07:00 AM EDT on SPACE.com Some dwarf galaxies in the early universe travelled so fast that their gas wa...

By: Charles Q. Choi Published: 03/14/2013 02:08 PM EDT on SPACE.com The glowing atmosphere of a strangely giant alien world could help solve myste...

By Sid Perkins A fluorescent glow high in the atmosphere of Titan, Saturn's largest moon, signifies the presence of a gas that astronomers have yet ...

Astronomers from around the world gathered today in northern Chile for the long-awaited inauguration of the Atacama Large Millimeter/Submillimeter Arr...

By: Clara Moskowitz Published: 03/08/2013 05:22 AM EST on SPACE.com The giant black hole at the center of the Milky Way is preparing to gobble up ...

LOS ANGELES -- There's a new spin on supermassive black holes: They're incredibly fast, astronomers say. It's long been suspected that gigantic black...

By Daniel Clery For the past century, physicists have puzzled over cosmic rays, particles (mostly protons) that hurtle through space at high spe...

By: Mike Wall Published: 02/13/2013 07:50 AM EST on SPACE.com Giant black holes are famous for their appetites, but these matter-munching monste...