“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

Bright white rocks found by NASA’s Perseverance rover hint at ancient Martian rain lasting millions of years, raising new questions about how wet Mars once was and what those conditions might mean.

For decades, scientists believed Mars was red because of dry, lifeless rust. But a new study published in Nature Communications reveals a surprising truth. The red dust covering Mars comes from iron ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.

Decades of exploration have transformed our understanding of Mars, from Viking landers to the rovers Perseverance and ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

MARS was not always the beaming red we’re so used to seeing in space. Scientists have revealed that it was actually a “blue ...

On January 25, 2004, NASA's Opportunity rover landed on Mars! This was the second of NASA's twin Mars Exploration Rovers to ...