"México mágico" moments that captured readers' attention, from jaguars' recovery to plans to send coffee to space.

Sigourney Weaver stood up to James Cameron on the 'Aliens' set when he was yelling at a young female actor who was struggling ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

The comet 3I/ATLAS is taking a long holiday journey this year. It's visiting from another solar system altogether. It's the third interstellar object recorded passing through our solar system.