An elusive creature of the deep can live for centuries. Scientists think they know why
This week, learn why Greenland sharks can live for centuries, discover when Neanderthals and humans met, see the most ...
'40,000 light-years away': NASA's Chandra Observatory spots black hole jet colliding with mysterious cosmic object
NASA's Chandra X-ray Observatory has detected a plasma jet from a supermassive black hole interacting with an unidentified ...