Nasa astronauts Butch Wilmore and Sunita Williams returned to Earth after an extended nine-month stay in space, experiencing various physiological changes due to the absence of gravity.

It’s been 286 days since astronauts Suni Williams and Butch Wilmore have felt the pull of Earth’s gravity. CNN’s Dr. Sanjay Gupta explains the effects of such a long stay on the human body ...

Nasa astronauts Butch Wilmore and Suni Williams describe what's strange about being back on Earth after so long in orbit. The duo's eight-day mission to the International Space Station became a ...

A stock image showing an illustration of an asteroid approaching Earth. A stock image showing an illustration of an asteroid approaching Earth. iStock / Getty Images Plus Earlier this week on ...

See Richard Quest's reaction to Trump advisers' tariff remarks ...