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

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

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

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

It was big news years ago when Mars orbiters found streaks of what appeared to be water running down Martian cliffs and ...

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.

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

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

What if billions of years ago, the Red Planet had rain, snow, and even rivers that carved out landscapes much like those we ...