Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground.

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

Is there really life on Mars? Was there once cellular material ... Reference: This observation activity is based on the labs in Addison-Wesley's Biology Laboratory Manual and Prentice Hall's ...

A 4.45 billion-year-old zircon grain, extracted from a Martian meteorite found in the Sahara in 2011, suggests Mars once had boiling hydrothermal systems similar to Earth’s volcanoes ...

Qi Zhang, a doctoral student at the Swedish Institute of Space Physics and Umeå University, explores in her doctoral thesis ...

But the sun's solar particles could be a boon for studies of — and travel to — Mars. Solar activity is at its peak this year, which provides a unique opportunity for scientists to observe the ...