That's why you see columns of bubbles rising in a pot ... liquid is as likely to come back up as gas. Floating in ...

Two NASA astronauts will step outside the International Space Station (ISS) on Thursday to take part in U.S. Spacewalk 93. It ...

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

Perry, 40, wrote alongside Instagram footage of herself floating among the stars during ... Perry gave a shout-out to her “space sisters, taking up space AND making room in space for all.” ...