Two astronauts -- one in space, and one on Earth -- will discuss daily life on the ISS, and you can ask them questions in the chat.

according to NASA. In 2012, during a trip to the ISS, Williams became the first person to finish a triathlon in space, during which she simulated swimming using a weight-lifting machine and ran on ...

Significance: First time NASA astronauts attempted to collect microbial samples from the exterior of the ISS to check for life in the vacuum of space. Findings: The collection of microbial samples ...

Scientists are trying to find a solution to microgravity-induced vision changes to ensure future long-duration space ...

Stare into the heart of our galaxy – the Milky Way, filled with billions of stars and mysterious deep-space wonders.

NASA astronaut Sunita “Suni” Williams, one of the two astronauts on an unintentionally extended stay aboard the International Space Station, now holds the record for total spacewalk time by a ...

Indian-origin astronaut Sunita Williams, along with Butch Wilmore, captured a stunning selfie during their spacewalk on ...

NASA astronaut Sunita Williams and Butch Wilmore on Thursday stepped out of the International Space Station (ISS) for a 5.5-hour spacewalk, setting a new record, the US space agency said.

Here are the times you can spot the International Space Station from Iowa, according to NASA. Jan. 31 at 6:41 p.m.: Will be visible for six minutes in the northwest Feb. 2 at 6:43 p.m.: Will be ...

Skywatchers in Mumbai and Pune are in for a special treat tonight. The International Space Station (ISS) will be visible to the naked eye as it passes across the night sky. This rare sighting ...

A photographer on Earth has captured an incredible telescope image of NASA astronaut Suni Williams outside of the ...

By Jonathan Corum She broke barriers at NASA and contributed to its earliest space missions as a rocket scientist, mathematician and computer programmer. By Dylan Loeb McClain Researchers say ...