Several companies now offer a taste of commercial space travel — if you can stomach the price tag. Elon Musk’s SpaceX, Jeff Bezos’s Blue Origin and Richard Branson’s Virgin Galactic are among the ...

WASHINGTON (Reuters) - The human body was not built for spaceflight, with its microgravity conditions, exposure to high-energy radiation and other issues. As a result, trekking beyond the Earth's ...

Astronaut families are quite similar to military families. If you're a space buff but haven't already seen the 1995 film "Apollo 13," it's worth the watch. It recreates the near-disaster mission ...

The Earth is so beautiful,” he tweeted, “it is like looking into paradise.” Massimino knows these aren’t moon-landing poetry, and he’s fine with that. “Launch was awesome!” even got roasted on ...

Jarred Roberts receives funding from NASA. My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, ...