From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

No place on Earth has the exact conditions we see on Mars. Scientists believe the Red Planet once had rivers with flowing water. Today, though, the planet’s surface is an arid wasteland with an ...

The Viking-monster death-match movie Outlander is opening in Spain next week, so a bunch of clips have turned up online. Sadly, they’re all in Spanish. But at least this clip, featuring our first look ...