Science

Prehistoric hunt suggests humans arrived in North America earlier than previously thought

By Laura Santhanam

Bone fragments from seven horses and a camel suggest that the First Americans hunted and butchered these animals in North America at least 13,300 years ago after migrating from northeast Asia, hundreds of years earlier than previously thought.

Could heads or tails be your best March Madness bracket gamble?

By Carey Reed

Dr. Dae Hee Kwak, a professor at the University of Michigan School of Kinesiology, decided to try flipping a coin in 2011 to see if chance could outperform the experts on picks for the men's NCAA Basketball Tournament.

Newly-discovered bipedal crocodile ancestor terrorized pre-dinosaur world

By Justin Scuiletti

Before dinosaurs roamed the Earth, the region we now know as North Carolina was ruled by a fearsome, bipedal, 9-foot-long crocodile ancestor known as Carnufex carolinensis, or the "Carolina Butcher."…

Solar eclipse fans share stunning views on social media

By Nathalie Boyd, Tiet Tran

Curious stargazers in parts of Europe, Asia and Africa watched as the moon crept into position today, creating a rare total solar eclipse. Although, the Islands of Faroe and Svalbard were the only places to view the eclipse’s totality,…

U.S. tightens rules for disclosing chemicals used in fracking

By Matthew Daly, Josh Lederman, Associated Press

WASHINGTON — The Obama administration said Friday it is requiring companies that drill for oil and natural gas on federal lands to disclose chemicals used in hydraulic fracturing operations.

Even scarier than California’s shrinking reservoirs is its shrinking groundwater supply

By Colleen Shalby

California's water shortage could potentially affect the entire nation.

Tech startups see gold in Baby Boomers’ golden years

By PBS News Hour

With more than 100 million Americans now over the age of 50, technology companies are eager to find new ways to cater to Baby Boomer consumers. From a mobile app that offers medical tips to wearable devices, special correspondent Megan…

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Timelapse Video: Aurora australis brightens New Zealand sky

By PBS News Hour

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Timelapse Video: Aurora australis brightens New Zealand sky

By Larisa Epatko

Stargazers this week were treated to a dazzling light show. Bright shades of green, yellow and red pulsated across the sky from Australia to Europe to parts of the United States as far south as Tennessee.

How to watch Friday’s solar eclipse

By Nathalie Boyd

On Friday the moon will slide between the earth and the sun creating a total solar eclipse that only part of the world can see. How else can you watch this rare event? Try online.