What field of science could be more solid than geology? Rocks are visible, tangible. You can bang on them with a hammer, drill them, compress them, zap them with X-rays, ultraviolet light and radar, ...

The most accessible part of the earth’s interior is at the ocean’s bottom, where the crust is thin. Project Mohole, the U.S. attempt to reach the boundary layer between the earth’s crust and mantle by ...

What is the difference between a rock and a stone? What is a rock? What is a stone? There is a difference. Find out what it is. Major Funding by the Laura Moore Cunningham Foundation and Idaho ...

Test your rock & mineral smarts—are you a Rock Star? Think you know rocks and minerals? Take the Science Trek quiz! Test your smarts on gold, salt, Earth’s oldest rocks, gemstones on Mars, and the ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Earth’s atmosphere wasn’t always like it is today. The oxygen ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The natural process of rock weathering could be emitting as much ...

Scientists from Oxford University finally explain why some Moon rocks show intense ancient magnetism. Titanium-rich rocks ...

The first samples from the farside of the moon contain signs of surprising volcanic activity near the lunar south pole. Two separate analyses of lunar rocks brought to Earth by China’s Chang’e-6 ...