Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

NASA astronaut Don Pettit and two cosmonaut colleagues will return to Earth this evening (April 19), and you can watch their homecoming live.

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent ...

Florida State's Alex Lodise hit a walk-off grand slam to beat Florida ... "As soon as I stepped on first and I looked over [toward the dugout] and everybody was at home plate, that was like ...