Right now there is no conclusive evidence of life on Mars past or present. Nasa’s “leopard spots” are the most promising ...

One of the big questions about Mars is how wet was it in the past, and why is it so dry today? A new study published online September 2, 2025, in the journal Geology, examined a number of martian ...

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...

Experiments show that biomolecules trapped in pure ice could withstand the harsh radiation of Mars for tens of millions of ...