From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

NASA’s veteran Mars orbiter MAVEN has fallen ominously silent, cutting off a decade-long stream of atmospheric data that reshaped how scientists think about the red planet’s past. After weeks without ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

NASA is quietly rewriting the script for human exploration of the Red Planet, turning robots from remote-controlled tools ...

Bringing samples from Mars back to Earth is one of NASA's most ambitious goals. The plan goes back to the 1970s, with NASA's robotic exploration program, when the first spacecraft landed on the ...

The Red Planet has a bloody history. Newly examined data from NASA’s retired InSight lander suggest that there may be giant chunks of rocky material deep inside the mantle of Mars, which were lodged ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolith, hued ...

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth ...