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World's largest iceberg runs aground in South Atlantic after 1,200-mile journey (satellite photos)
By Samantha Mathewson published
Earth's largest iceberg has run aground off the coast of South Georgia Island, a common rendezvous spot for big bergs, new satellite images show.

The next ice age is coming in 10,000 years — unless climate change prevents it
By Keith Cooper published
Natural cycles in Earth's rotational axis and its orbit around the sun drive climatic changes, and now researchers have matched up specific points in those cycles to the timing of ice ages.

Scientists discover Earth's oldest impact crater in Australia
By Sharmila Kuthunur published
This week, geologists announced they discovered the world's oldest known impact crater. It's in Western Australia's ancient Pilbara region.

'Primordial' helium from the birth of the solar system may be stuck in Earth's core
By Stephanie Pappas published
The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed.

How fast is Earth moving?
By Doris Elin Urrutia last updated
Earth is moving much faster than it seems.

Over 1,000 NASA employees saved from dismissal as Trump downsizes federal workforce
By Sharmila Kuthunur published
After the space community braced for a brutal shake-up at NASA this week, a last-minute decision on Tuesday (Feb. 18) spared over 1,000 agency employees on probationary status from being dismissed.

Scientists accidentally discover Earth's inner core is less solid than expected
By Julian Dossett published
Researchers discovered that Earth's inner core is surprisingly viscous.

Continent-size blobs in Earth's mantle are a billion years old, ancient crystals reveal
By Skyler Ware published
New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead suggesting giant voids in space are creating an illusion.
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