"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

NASA is working on an exciting mission to send humans to Mars in the next few decades. To make this happen, the agency is ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

NASA’s Spirit Rover didn’t land like a normal spacecraft—it bounced! 🔴🎈 Find out why NASA used an inflatable landing system ...

Extraplanetary spacefaring has a hoary history in science fiction. Elon Musk, our so-touted Mars visionary, is an avid sci-fi ...

‘Dire at best’: A 44-year-old Chicago woman bought a house listed for $1 in Italy — then had to spend $446,000 on renovations ...

Known as the "Parade of Planets," the celestial event will feature appearances from Mars, Jupiter, Uranus, Venus, Neptune and ...

On Thursday January 30th, astronauts Suni Williams and Butch Wilmore are doing a 6.5-hour spacewalk outside the International Space Station.

Elon Musk has shared plans to use Starship rockets for long-distance flights on Earth. The billionaire claims it will be ...

NASA’s Osiris-Rex spacecraft returned 122 grams of dust and pebbles from the near-Earth asteroid Bennu, delivering the sample ...

Samples returned from an asteroid contain a surprising abundance of the basic ingredients of life. They were discovered to be ...