'No matter what your traditions are, someone is going to break them.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new documentary short ...

The European Space Agency has released new images of a rare "butterfly" crater on the Red Planet. The bug-like structure sports a pair of smooth, rocky wings, which were likely "fluidized" by buried ...

But what if the most clandestine intelligence program in U.S. history was shut down not because it failed, but because it had uncovered something too extraordinary to reveal? But from 1977 to 1995, ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

NASA's Curiosity rover has sent back a striking new "postcard" from high on the slopes of the Red Planet's Mount Sharp, ...

What if the Moon was more than just a lifeless rock? Under that bright light, it could be hiding an alien civilization. When did this alien life begin on the Moon? What would these lunar-dwellers ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

The Mars Perseverance rover has been investigating the Jezero Crater and came across something that is not native to Mars at all. It is a meteorite that collided with the red planet. Though various ...

A Mars crater may have once contained water that sloshed back and forth as a tide came and went. If that is true, it follows that Mars must have had a moon that was massive enough to exert a ...

Scientists have long believed Saturn’s moon Titan hid a massive underground ocean, but new research suggests something even stranger: a deep, icy slush filled with pockets of warm liquid water that ...