BELLEVUE, Wash. — Underground lava tubes are great places to set up bases on the moon, or look for life on Mars — but they’ll be super-tricky to navigate. Which… Read More
BELLEVUE, Wash. — NASA says the record-setting belch of Martian methane that its Curiosity rover detected last week has faded away, leaving some big questions hanging in the air: Where… Read More
BELLEVUE, Wash. — NASA’s Curiosity rover has detected fresh whiffs of Martian methane, once again sparking speculation about a potential biological source — but researchers at the space agency say… Read More
The sea that lies beneath the icy surface of Enceladus, one of Saturn’s moons, could provide even more fuel for extraterrestrial organisms than previously thought. That’s the upshot of a… Read More