"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Geologists have now unearthed ...

Researchers from the University of Maryland found evidence suggesting the Moon is geologically active, including the discovery of 266 previously undocumented small ridges on the far side.

Scientists look for these particles, which rain down constantly on Earth, in Antarctica and other ... In Search of Stardust—exhibit swirling ridges, golden spots of iron-nickel metal and sulfide ...

Today, the upheavals of plate tectonics continually reshape Earth. When this began is much disputed - and we can’t fully understand how life began to thrive on our planet until we figure it out ...

Most of the teams plan to catch a ride on the jet stream, which will carry the balloons around the Earth. Therefore, for global balloonists, troughs and ridges present the least desirable air flow ...