Scientists discovered 50,000-year-old viruses in Neanderthal DNA that could help explain their mysterious extinction

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A model showing a Neanderthal family near a fire.
An exhibit shows the life of a Neanderthal family in a cave at the Neanderthal Museum in Krapina, Croatia.

Reuters/Nikola Solic

Starship lands in the ocean with its engines firing for the first time, bringing Elon Musk one step closer to Mars

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SpaceX's starship-super heavy megarocket soaring to space with smoke all around it
Starship launching from Boca Chica, Texas, on its fourth test flight toward space.

SpaceX

Space elevators could get us to Mars in record time — and Japan is planning one for 2050

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A drawing of a concept space elevator hovering above Earth
The Obayashi Corporation's concept drawing for its proposed space elevator.

Courtesy of Obayashi Corporation

Mexico City is just the beginning. Here are 11 other cities at risk of running out of water.

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A giant water tank surrounded by people collecting its water with smaller buckets.
Residents collecting drinking water from a tanker due to the ongoing water crisis in India.

NurPhoto/Getty Images

Boeing's long-delayed Starliner finally takes off with astronauts on board

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White Boeing Starliner spacecraft launching off launch pad
Boeing's Starliner launched two NASA astronauts toward space.

ASSOCIATED PRESS

3 boys hunting for fossils made the ultimate discovery: a young T-rex skeleton that scientists have dubbed Teen Rex

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The fossil finding family (clockwise from upper left: Sam Fisher, Emalynn Fisher, Danielle Fisher, Liam Fisher, Kaiden Madsen, and Jessin Fisher) pose with the field jacket after it was rolled into a helicopter net.
The family who found the fossils at the North Dakota site where Teen Rex was found, posing with the field jacket that contains the fossil.

Dr. Tyler R. Lyson/Denver Museum of Nature & Science

The 3rd human case of bird flu in the US has 2 new and troubling symptoms

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man dumps feed from a white bucket in front of a lineup of dairy cows behind a metal pole structure
Dairy farmer Brent Pollard gives cows feed at his cattle farm in Rockford, Illinois.

Jim Vondruska/Reuters

How I learned to stop worrying and love exercise

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Illustration of sneakers hanging on a tree with a butterfly.
Rates of depression and anxiety are on the rise. The best way out of my depression was through physical activity.

Timo Lenzen for BI

Where Canada's 'super pigs' are most likely to invade the US — and potentially cause millions of dollars in damage

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A refal hog misses the trap, and roams free at Barker-Addicks reservoir on Thursday, Sept. 18, 2014, in Houston.
Wild pigs already cause billions of dollars in damage to agriculture in the southern US.

Mayra Beltran/Houston Chronicle/Getty Images

A man found a stegosaurus skeleton during a stroll on his Colorado property. He could make $6 million from it.

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A woman stands next to
A woman stands next to "Apex," a stegosaurus being sold at auction by Sotheby's.

Matthew Sherman/Courtesy of Sotheby's

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