NASA astronaut Sunita Williams set a new record for total spacewalking time, surpassing Peggy Whitson. Williams, with Butch ...

During a five-and-a-half hour spacewalk with her colleague Butch Wilmore, Sunita Williams surpassed former astronaut Peggy ...

NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost ...

NASA's two stranded astronauts conducted their first spacewalk together Thursday, stepping outside the International Space Station.

In a popular episode of “Seinfeld,” appropriately entitled “The Pen,” Jerry and Elaine travel to Florida to see his parents.

Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

Ali Velshi explains how, amid reports of tension between Trump and Elon Musk, the president seemed to suggest sending the ...

NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost ...