For seven years, a puzzling signal beneath the Martian south pole has divided planetary scientists over whether a hidden lake ...

Mars has never looked more like a world in transition, with ice emerging as the quiet architect of its past and a crucial ...

In NASA's current missions, medical risks are manageable. There's the opportunity for emergency evacuations, real-time communications, and the ability to send samples to Earth. However, long-term ...

Researchers have documented 55 instances of "mini lightning" over two Martian years by eavesdropping on the whirling wind ...

Many space agencies are exploring our solar system and beyond. Missions study planets, moons, asteroids, and the Sun itself. Some missions collect samples, others take pictures and gather data. Many ...

A long time ago, life left microscopic signatures on Mars — or did it? That's the question NASA scientists have worked for years to answer. On Wednesday, NASA researchers said the answer might be in a ...