"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 ...

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

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

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

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

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

NASA OSIRIS-REx asteroid sample return team has revealed exciting evidence of the precursors of life in the pieces of space ...