NASA’s Mars InSight robot was supposed to burrow beneath the Red Planet’s surface to unlock some of its mysteries. But it keeps popping out—and now NASA is trying a risky fix.

Voyager 2’s decades-long voyage almost came to an untimely end last month in a mishap that underscores the delicacy of NASA’s super-long-range space missions.

As Boeing fails and Trump pushes his great vanity project—Americans back on the moon by 2024—he tells us pointedly Elon Musk “is one of our very smart people we want to cherish.”

Russia's new launch vehicle will be huge and powerful—if it's ever built.

First contact looks more and more likely. But if we’re going to find extraterrestrial life in the 2020s, we might need to switch up exactly where, and how, we’re looking.

A high-tech space capsule the agency hopes to use to send astronauts to the Space Station successfully launched only to suffer a malfunction and get stranded 120 miles over Earth.

Due to budget concerns and space exploration priorities, we might have to wait until 2035 to know more.