Planet Earth

On a recent expedition to Antarctica, researchers discovered five perfectly-preserved meteorites that have likely been hiding beneath the ice for thousands of years.

Rare clouds that give off bright, multi-colored light like an aurora were recently spotted at multiple locations in the Arctic. But what causes them?

The island was destroyed by the same volcano that formed it seven years before.

Former bug-eating plants, which evolved to feed on animal droppings instead, have a more nutritious diet than their carnivorous cousins, a new study finds.

The amount of energy released in an earthquake is controlled by how much of the crust breaks. The good news is, we're not likely to see a magnitude 10.

A handful of regions around the world regularly unleash terrifyingly large earthquakes. Here are the 20 largest earthquakes on record.

Antarctica is the coldest, windiest, driest continent on the planet, and researchers are still discovering many of its secrets. Find out some of the most interesting facts about the southernmost continent.

Humanity faces greater existential threats than it did during the Cold War, according to the Bulletin of Atomic Scientists

The giant chasm on Antarctica's Brunt Ice Shelf has split and created a massive iceberg.

If you have the right vantage point, a rainbow might look circular. Here's the science behind why some rainbows look like arches and others don't.

Yellowstone's supervolcano last erupted 70,000 years ago. Will it erupt again anytime soon?

The fossilized flower is the largest ever discovered.

Using a technique to study seismic waves, researchers revealed a previously unknown magma chamber underneath a the Kolumbo submarine volcano.

The characteristic zigzag pattern of lightning is caused by a highly conductive form of oxygen that builds up as the bolt travels toward the ground.

If these organisms are eating viruses in nature, it could change the way scientists think about global carbon cycling.

Scientists say excessive water use is to blame, with 74% of diverted lakewater being used for unsustainable agricultural practices

250 million-year-old pollen suggests radiation played a role in mass extinction event

A type of crystal that breaks the rules of ordinary crystallography has been found in a tube of melted sand from Nebraska.