From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

LOS ANGELES -- On Tuesday, nominations were announced by The Critics Choice Association for the Tenth Annual Critics Choice Documentary Awards (CCDA), highlighting the year's finest achievements in ...

Cosmonauts Oleg Artemyev and Sergey Prokopyev successfully installed the first ICARUS experiment antenna on the outside hull of the International Space Station during a nearly eight-hour space walk in ...