Eight gamma-ray bursts detected by the French-Chinese SVOM satellite are puzzling astronomers. Each one produced an X-ray ...

Astronomers may have witnessed one of the rarest and most dramatic cosmic events ever seen: a long-sought intermediate-mass black hole ripping apart a dense white dwarf star and devouring it. The ...

Add Yahoo as a preferred source to see more of our stories on Google. An outflow of matter from the helium nova V445 Puppis. Using NASA's long-serving Hubble Space Telescope, astronomers have ...

NASA has selected Space Exploration Technologies Corp. SPCX to launch its StarBurst observatory aboard a Falcon 9 rocket, giving scientists a new tool to hunt the violent neutron-star mergers behind ...

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Earth is quietly collecting radioactive debris from an ancient stellar explosion as our Solar System drifts through a giant cloud of gas and dust between the stars. Scientists analyzing Antarctic ice ...

The European Research Council (ERC) has today announced the winners of its latest Advanced Grant competition. The funding, worth €838 million, will go to 319 leading researchers across Europe. The ...

Artist’s impression of an ultra-high energy cosmic ray reaching Earth. New research suggests that some of the highest-energy cosmic rays may consist of atomic nuclei heavier than iron. The background ...

Washington, April 1 (IANS) A mysterious flash of X-rays probably resulting from a “completely new type of cataclysmic event” in space has been discovered by NASA’s Chandra X-ray Observatory, a study ...