Acheron Fossae is filled with dramatic landscape features — most notably, its namesake fossae, or fault-like channels that ...

Mars’s Acheron Fossae reveals a frozen, fractured landscape shaped by ancient forces, holding clues to the planet’s climate ...

Under Trump, NASA is accelerating a push to put a reactor on the moon, ahead of China and Russia. The plan could involve a ...

Recent studies have unveiled compelling evidence suggesting that Mars once hosted vast oceans. Analyzing soil samples and ...

At first glance, Mars looks completely different from Earth. It’s got that dusty red surface, eerie atmosphere, and ...

A base on the moon would be more democratic than those that Musk and his acolytes have advocated building on Mars. Given ...

The first space race was about flags and footprints. Now, the new race is to build there, and doing so hinges on power.

Launched in October 2024, Europa Clipper is on a 1.8-billion-mile (2.9-billion-kilometer) journey to study Jupiter and its ...

Due to extreme temperatures and the dryness of Mars, it's thought to be impossible for liquid water to form on the planet's surface, a critical precondition for habitability. The only hope of ...

Instead of only looking for signs of life on the surface, scientists might also explore underground environments on Mars and the icy moons, using tools that can detect chemical energy created by ...

The “Largest Piece of Mars on Earth” just sold at auction for about $5.3 million— $5,296,000, to be exact. Popular Science has reached out to Sotheby’s for confirmation of the sale price.

For decades, scientists have puzzled over why Earth stayed warm and alive while Mars turned cold and dry. Both planets began with similar ingredients—rocky surfaces, carbon, water, and sunlight ...