A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a ...

NASA's Perseverance rover has spotted an oddball rock in an ancient river channel on Mars. Deputy project scientist Katie ...

The recent finding by NASA’s Perseverance rover on Mars—a possible sign of ancient microbial life in the rock nicknamed ...

Perseverance represents more than a machine. It is a proxy extending humanity’s senses across millions of miles to an alien ...

A fleet of ball-shaped rovers could drift across the Martian surface like tumbleweed, driven simply by the wind.

The recent announcement that scientists have spotted what they believe to be evidence suggesting ancient life on Mars seemed like the latest in an endless cycle of tantalizing hints followed by pleas ...

NASA canceled the VIPER rover mission to the moon last year, citing cost overruns. But the space agency has announced a plan to revive it.

If it pans out, it may complicate Elon Musk’s dreams of founding a settlement on the fourth planet from the sun.

The idea of ancient life on Mars is a fascinating one, and the Perseverance rover might have found signs of it. But there are ...

New Glenn's second flight will propel NASA's twin ESCAPADE spacecraft to Mars to study how the solar wind interacts with the planet's magnetic environment.

Perseverance captures a sharp panoramic view of Mars from Falbreen, revealing key rock textures for future research.