NASA astronauts describe flight aboard Boeing's glitching, leaking Starliner spaceship

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astronauts suni williams butch wilmore inside gadget-lined walls of international space station with a large American flag on the wall behind them
Suni Williams and Butch Wilmore on a call with journalists from the International Space Station.

NASA TV

Photos show the mysterious ancient objects that mountaineers are finding on the Alps' melting glaciers

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archaeologist in yellow shirt holds ancient rusty horseshoe in plastic bag beside a cart with a grey bin holding a large black trashbag in a large basement storage room
Romain Andenmatten shows a horseshoe found on a melting glacier.

Morgan McFall-Johnsen

Florida residents were shocked to see a manatee swimming in their human-made lake. A biologist thinks she knows how it got there.

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A manatee in water
The Florida manatee is a sub-species of the West Indian manatee and travels around the Atlantic Ocean.

Kike Calvo/Getty Images

The most common type of EV battery is a growing source of 'forever chemical' pollution, scientists say

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Electric car power charging
Lithium-ion batteries for electric vehicles are made with a class of PFAS chemicals.

Source Photo/Getty Images

Hippos Go Airborne at Top Speeds, Video Footage Reveals

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Adult hippos entering the water in Kenya's Maasai Mara park.

Mars-Orbiting Spacecraft Captures ‘Snaking Scar’ Across the Base of Enormous Volcano

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A Snaking Scar On Mars

Scientists studied 1,200 cats to determine why they scratch up furniture and how to stop it

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child in bed holding cat
Scientists find that children can stress cats out so much that they're more likely to scratch up furniture, as a result.

Cavan Images/Getty Images

Forget Mt. Everest — it's not even close to the most difficult mountains to climb, according to mountaineers

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mount everest
Hundreds of people stand atop Mt. Everest each year. But far fewer summit the Seven Second Summits, the second-highest peaks on each continent that push climbers to their limits.

Daniel Prudek/Business Insider

Guy Literally Sneezed Out His Guts, Somehow Turned Out Fine

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Bezos vs. Musk: Blue Origin Files Complaint Over SpaceX’s Florida Launch Plans

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A SpaceX Starship rocket lifting off

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