Atmospheric rivers are named as the cause of lots of extreme weather, especially in the western United States. Where do these rivers in the sky come from?
Malham Cave in the Negev Desert is the longest salt cave in the world, measuring more than 6 miles (10 kilometers) in total length, researchers say.
A meteor that snuck by the world's telescopes and exploded over the Bering Sea was caught on camera after all.
Earth just got another dazzling glamour shot, thanks to a satellite that snapped its photo on the March 20 spring equinox.
A single thundercloud is more powerful than even the most potent nuclear plants on Earth. Scientists used cosmic rays to prove it.
Scientists have found a motherlode of "impossible" rocks on a ridgeline on Anjouan island, off eastern coast of Africa.
Geoscientists tracking down reports of curious, out-of-place rocks on Anjouan island have found a mountain-size mystery.
The breathtaking sound and sight of waters that cascade off of steep cliffs, may be self-made productions.
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