Last Meal of History's Most Famous 'Bog Body' Hints at Human Sacrifice

NASA's InSight Mars lander just gave scientists an unprecedented look at the guts of the red planet. Here's how they compare to Earth's.

This Year’s Perseid Meteor Shower Will Be The Brightest For Years. Here’s How To See Up To 50 ‘Shooting Stars’ In An Hour

Amazing image taken with a camera obscura shows photography's origins