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

Experts have been working on mapping the ocean floor with traditional methods, sending ships across the water with sonar ...

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.

Ladies and gentlemen, get ready to get your nerd on. Know what today is? It's Pi Day. What's that you say? Why, it's March ...

The water-rich iron mineral ferrihydrite may be the main culprit behind Mars's reddish dust, rather than the dry, rust-like mineral known as hematite.

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

Fluid-rock interactions on ancient Mars may have produced abundant magnetic minerals that preserved unusually intense records ...

“On Earth, this early impact record has seemingly been lost, reflecting the destructive efficiency of erosion and subduction ...

In 2009, the U.S. House of Representatives passed a resolution declaring March 14 National Pi Day. Celebrate appropriately in ...