Might sinuous ridges carved out across the ancient highlands of Mars hold the secret to a vanished age of rivers and rain on the Red Planet? Over 15,000 kilometers of such fluvial sinuous ridges, or ...

Curiosity finds strange boxwork ridges on Mars that hint at ancient underground water. Scientists are now drilling for answers.

The deep oceans are far from flat. They feature ridges, trenches, seamounts, and valleys, creating a diverse and dramatic underwater landscape shaped by tectonic activity and volcanic processes ...

Ancient hunter-gatherers built monumental mounds at Kaillachuro in Peru without kings, rewriting history of "monumental ...

In a dramatic new discovery, scientists have identified over 15,000 kilometers of ancient riverbeds on Mars, revealing that ...

USA Rare Earth said Chief Operating Officer Steve Ridge retired from the mining and magnet company July 4. The Stillwater, Okla., company said Wednesday that Ridge would serve as a part-time ...

New research has uncovered more than 15,000 kilometers of ancient riverbeds on Mars, suggesting that the Red Planet may have ...

Curiosity stitched 291 Mastcam photos into a color-balanced 360° panorama of Gale Crater’s “boxwork” ridges—spiderweb-like ...

For decades, scientists have wondered why the moon’s two sides are so different. The side we see from Earth, known as the ...

According to Time and Date, a website that tracks time and time zones, the current record holder for the shortest day on ...

In the ocean, this same process creates mid-ocean ridges. Hot magma from Earth’s mantle wells up at these ridges, forming new ocean crust and shoving the plates apart.