Mars

Six “astronauts” spent 12 months in a dome or wearing space suits on a barren volcano  

Challenges facing Elon Musk’s project include getting return-trip fuel from Martian resources  

Mission scientists are investigating what caused a suspension the Mars rover's activities on July 2

It's not just a way station to Mars—it's a way to build new industries

Space program official Sarah Amiri says the United Arab Emirates is tapping young minds as its economy changes

Trying to create a whiff of an alien atmosphere—sunbaked sulfur and chalk

An architecture and design class partners with NASA to develop a human-focused spacecraft environment that could take astronauts to Mars

Meteorite impacts triggered enormous waves in a now-vanished ocean 

After two years on the Red Planet, NASA's Curiosity rover rules out a seasonal explanation for an observed methane spike

There's something wonderfully thrilling about geologic maps of places we've never mapped that way before! Scientists recently mapped a brand-new island and produced a beautifully detailed map of Mercury. Come see what those maps reveal

Safely landing a first-stage rocket on a ship opens up "cheap" orbital space, but also shows a path to Mars

Mountains thrusting from Red Planet crater floors were probably dug by billion-year breezes