The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

Morgan Nunn Martinez studied lunar rocks from the 1969 Apollo 9 mission to learn about the origin of moon water. They found ...

The researchers included the father-son team of Mark Thiemens, UC San Diego Distinguished Professor of Chemistry and ...

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of ...

The race to Mars raises legal debates on sovereignty, private companies' roles, and resource conflicts, as nations compete to ...

Rootless cones are small volcanic landforms ranging from several to several hundred meters in diameter, formed by continuous ...

A 3.8-magnitude earthquake centered near the Maine coast rattled houses in northern New England on Monday and was felt by surprised residents of states hundreds of miles away. The United ...

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

A world-leading designer of space robots says gigantic new rockets being tested by billionaires Elon Musk and Jeff Bezos are ...

This week, meet a big-brained ancient human relative, hear a meteorite as it lands on Earth, spot a tiny kangaroo-like ...