For years, scientists staring at Mars through the eyes of orbiting spacecraft noticed something strange: a mysterious signal ...

Their huge size is peculiar and has forced scientists to throw out their pet theories on how planetary lava tunnels form.

Mysterious spectral data from Mars reveals a previously unknown mineral, indicating a dynamic past capable of supporting life.

Perseverance rover data shows Jezero Crater once held a calm lake, leaving behind mudstones rich in organic-linked minerals.

Plus: Why are hurricanes so powerful? Are winds on other planets like they are on Earth? The answer, my friend, is blowin' in ...

Billions of years ago, water flowed across Mars. Most scientists agree the red planet had rivers. But did those rivers flow ...

A European spacecraft has captured the most detailed images yet of Mars’s upper atmosphere, revealing a delicate, layered ...

“The presence of this mineral puts a lot more nuance on what was going on,” said Mario Parente, an associate professor of ...

Scientists solve a 15-year Mars mystery, confirming ferric hydroxysulfate formed by volcanic and hydrothermal heating across ...

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

Slices from the edge of Mars reveal a layered atmosphere of delicate complexity. A European spacecraft has captured a ...