A hypothetical timepiece called the Doomsday Clock measures our nearness to Armageddon — by nuclear weapons, climate change and other global threats.
The world's oldest known impact crater has been in Western Australia for more than 2.2 billion years, a new study suggests.
A new technique for studying ancient microbes in glaciers has led to the discovery of previously unknown viruses.
This unassuming little organism may hold the secrets to how the first multicellular life-forms evolved.
The Taal volcano eruption in the Philippines this week sent ash plumes 9 miles (14 kilometers) into the air, new satellite imagery shows.
It's the award no one wanted to win: 2019 was the second hottest year on record, government scientists confirmed yesterday (Jan. 15).
Rare mounds of a crystalline mineral have emerged above the surface of Utah's Great Salt Lake, where they're expected to remain just a few months before disappearing again.
Multiple strong and damaging earthquakes are wreaking havoc on Puerto Rico. And geoscientists forecast dozens more strong aftershocks are likely in the area.
Declassified spy-satellite photos show that the glaciers near Mount Everest are shrinking more than expected.
Taal volcano in the Philippines rumbled to life on Jan. 12, sending steam and sulfur skyward. Satellites have captured images of the eruption.
Taal volcano in the Philippines has erupted, and scientists are worried it could soon erupt even more violently, putting almost a million people at risk.
A robotic submarine is about to descend into a dark, water-filled cavern in Antarctica, to try to find out why one of the continent's largest glaciers is melting so fast.
Sharp-eyed satellites have spotted debris from the Ukrainian airliner that went down in Iran early Wednesday morning (Jan. 8).
Two wildfires in New South Wales and Victoria have merged, forming a fire covering 2,300 square miles (6,300 square kilometers).
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