A massive hole in Siberia has grown from a small gully into a 3,000-foot-long frozen scar that keeps swallowing the tundra.

A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...

Dante’s vision of Hell may echo the physics of a massive asteroid strike, offering a new way to read the Inferno.

Campi Flegrei, a volcanic caldera near Naples, is speeding toward a transition, a new study suggests, but there are still a ...

While some people want to go on vacation to experience a busy city, others look for quiet. These places offer a stillness ...

Blue sunsets, whirling dust devils, giant volcanoes, tiny moons, and marsquakes—there’s a lot to discover on Mars!

As of Monday, May 11, the Moon phase is Waning Crescent. Tonight, 36% of the moon will be be lit up, according to NASA's ...

A new study, published in Science Advances, has refined some important details about the moon's largest and oldest impact ...

A violent impact might have ejected material from deep within the moon's mantle — and future Artemis astronauts might be able ...

The Hoba meteorite in Namibia is the largest known natural piece of iron on Earth, weighing about 60 metric tons today. By ...

Craters of the Moon National Monument & Preserve is a feast for the eyes. With barren lava fields and craters dotting the rugged landscape, it projects a certain lunar-like feel — so much so that it ...

A major Yellowstone eruption likely won’t happen for thousands, and potentially millions, of years. Scientists say that the magma underneath Yellowstone is mostly solid and not eruptible. One study ...