Earth

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?

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

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

The first-ever satellite designed to detect major emitters of the greenhouse gas carbon dioxide is set to launch to space this year.

A forthcoming telescope that will observe Earth from space has been renamed in honor of George R. Carruthers, a visionary scientist who designed and built a telescope placed on the moon.

After 31 years in orbit, NASA's magnetosphere-studying mission Geotail has come to end after the spacecraft's final data recorder failed.

The space rock, called 2023 BU, was discovered less than a week ago.

The spinning, solid inner core of the Earth may be slowing down by a minuscule amount, according to evidence from earthquakes.

The huge amount of water injected by the cataclysmic Hunga Tonga volcanic eruption into Earth's atmosphere last year will temporarily affect the protective ozone layer.

A giant iceberg almost the size of London has broken off the Brunt Ice Shelf in western Antarctica on Sunday (Jan. 22) after years of cracking.

Satellite photos showing poop stains in the West Antarctic snow and ice have revealed a previously unknown breeding colony of emperor penguins.

The Earth's protective ozone layer is recovering thanks to the successful implementation of the Montreal Protocol. But new threats are emerging that might set back the efforts, scientists say.

After years of conflict, a Hawaiian mountain that's home to some of the most important astronomical observatories on Earth finds itself at peace.

A physics student and 'aurora chaser' got a special treat after reserving a cabin in Iceland: A storm surge of green auroras shimmering in the sky just overhead.

The Kilauea volcano on Hawaii's Big Island has been erupting again for nearly two weeks, creating lava fountains and a glow visible with the Landsat 8 satellite.

NASA has released satellite view showing California's brutally wet start to the new year.

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

When solar winds bombard Earth's magnetosphere, they create waves that shouldn't be able to traverse a turbulent region called the shock. New research demonstrates how this appears to happen.

2022 was among Earth's 10 warmest years on record despite cooling La Niña conditions, and rising greenhouse gas concentrations hint that the worst is yet to come.