New findings suggest Mars’ underground water reserves may be far less extensive than earlier research indicated.

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.

The NASA rover "Curiosity" discovered what scientists say is the largest ever seen organic molecules on Mars, raising ...

The Keeble Observatory at Randolph-Macon College holds weekly public viewing during spring semester. Check their website ( or ...

Stromatolites: You Can't Spell Mold Without Old One of the big problems with Kelvin's estimates for the age of the Earth was ...

Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

Mars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...

Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis.

But on lunar and Mars missions, which will involve smaller ships and possibly years-long durations, exercise equipment will need to be shrunk and astronauts’ willingness to keep up with the ...

Last week, in a letter to the editor of the Proceedings of the National Academy of Sciences (PNAS), Jakosky challenged the conclusion of a 2024 PNAS study that suggested Mars retains a significant ...

More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its ...