NASA astronaut Sunita Williams has been stranded at the International Space Station (ISS) for over 7 months now (250 days).

Related: Weightlessness and its effect on astronauts Prolonged inactivity — a possibility on space missions — can ... They get there and they can't walk because they developed osteoarthritis ...

Space has always been a dangerous place, and of the greatest threats to astronauts is radiation. Without the protection of Earth’s atmosphere and magnetic field, human explorers are vulnerable to ...

It's a familiar puzzle that many of us face on an almost daily basis. When nature calls and your only option is a public ...

Katelin VonFeldt, a junior at Niwot High School, and Kayla Evans, a senior at Erie High School, were among 20 high school ...

Both astronauts have lived aboard the ISS for extended periods on previous missions, and both say that they're enjoying their time in space on this one. "It is just amazing how, when you come ...

The two NASA astronauts who have been stuck at the International Space Station may be able to return to Earth sooner than expected. In a Tuesday press release, NASA said that SpaceX would switch ...

This time, the NASA astronaut has captured a stunning image of the Milky Way from the International Space Station (ISS) . It also features Earth and city lights some 250 miles below the orbital ...

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Retired Canadian astronaut Chris Hadfield compared Asteroid 2024 YR4 to 'a bullet zeroing in on Earth from deep space.' Asteroid 2024 YR4 has a 2.3 percent chance of directly hitting Earth when ...