REx mission has an historic opportunity to closely observe the asteroid Apophis and improve our ability to defend against ...

Above the shores of prehistoric seas and lakes, pterosaurs roamed the skies. They were feathered creatures that ranged in ...

Artist's conception of the DART spacecraft approaching the Didymos asteroid system before deflecting the Dimorphos moonlet ...

The former paralympian sprinter said is was "great" to demonstrate "there is no technical showstopper for me flying to the ...