Though little is known about Deimos, another European spacecraft recently captured unprecedented views of the moon's far side ...

Satellite images of the Red Planet suggest scientists were wrong about these strange Martian features.

Mars may experience global auroras on Monday after a solar flare's charged particles reach its atmosphere — and NASA's ...

Slope streaks once believed to be signs of water on Mars might really be signs of rockfall and high winds, a new study says.

For decades, scientists believed that Mars’s famous red hue came mainly from hematite, a dry iron oxide mineral. However, a ...

Planetary scientists concluded that dark streaks spotted on the surface of Mars didn't have anything to do with flowing water ...

JWST uncovers unexpected behavior in polar lights on Jupiter, while a Mars rover captures the first image of an aurora.

By studying the rock and other materials blasted out of a crater in an impact, planetary scientists say they were able to ...

Scientists have discovered a new way to uncover what lies beneath the surfaces of planets like Mars by studying the debris ...

Was Mars a friendly planet for water, even life, in its ancient past? Huge channel networks run across its surface. Rocks ...

NASA’s Perseverance rover is discovering a treasure trove of diverse ancient rocks on Jezero Crater’s rim, some possibly ...