Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA’s Suni ...

A landmine warning sign in Yemen's Marib province reminds camel herders that their next step could be their last.

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. A high-ranking NASA official warned his employees ...

See the 10 worst in America. Stuck NASA astronauts prepare to return: 'We want to go home' 13 Animals Unbelievably Found Preserved Frozen In Ice I moved from the US to the UK and saw an immediate ...

Nonetheless, it's hard not to see his sudden enthusiasm for the Red Planet as an early warning sign that NASA's existing extraterrestrial travel plans could be on short notice. Most prominently ...

He opened Wednesday's hearing by warning that China ... my greatest concerns is that NASA astronauts will arrive on the lunar surface — only to be greeted by a sign that says 'No trespassing ...

A volcano near Alaska’s largest city is showing new signs of unrest, with experts saying the likelihood of an eruption at ...

The astronauts remained stranded at the International Space Station — until Tuesday when they parachuted down to Earth off ...

A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...

Since its arrival on the Martian surface five years ago, NASA’s Perseverance rover has been busy scouring the Red Planet for signs of life and evidence of Mars’ watery history. Now ...