Exploring volcanic lava tubes in Hawaii helps researchers understand how humans should prepare for living and working on worlds other than Earth.
A severe thunderstorm cloud that formed over the Pacific Ocean in 2018 reached the coldest temperatures ever recorded.
It took a little help from the full moon to free the massive Ever Given cargo ship from its perch stranded across the Suez Canal.
An oil refinery in Indonesia has caught fire after an oil leak that may have been ignited by a lightning strike.
The researchers say the discovery will give them new insights into how the immune system works, as well as enabling them to revise some of the most basic assumptions of immunology.
A rare fireball meteor bright enough to be seen during the day triggered a massive sonic boom over parts of the UK and France.
Revisiting how Earth looks from space could offer scientists clues for finding alien life on distant worlds.
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After a 900-year nap, a volcano in Iceland erupted Friday (March 19), spewing tendrils of molten lava down its flanks and bathing the cloudy night sky in an ominous orange-red.
The world's oldest meteor impact crater is not a crater at all, say scientists of a new study suggesting natural forces put the giant indent into Earth's surface. But the jury is still out.
Spring will officially arrive on Saturday morning (March 20) with the occurrence of the vernal equinox.
When a gargantuan iceberg calved off of Antarctica last month, it revealed a bustling community of sea life for the first time in decades.
Equinoxes occur twice a year when the sun is directly above the equator, and signal herald the beginning of spring and autumn.
The enormous Baikal-GVD will look for the particles from 4,300 feet (1,310 meters) below the lake surface.
Lightning storms on early Earth may have given the planet enough phosphorus to craft the first DNA and RNA molecules, study suggests
Plant fossils that may be a million years old hint that Greenland's icy shell melted away more recently than expected — and could melt again.