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For the first time, researchers have tracked the spread of Ebola, in almost real time, during an outbreak. The virus is quickly changing its DNA. But it's still unclear what these mutations mean.

Scientists at the Smithsonian are set to unpack something rare that the National Museum of Natural History has never had before — a nearly complete skeleton of a Tyrannosaurus rex.

Pumping industrial wastewater into storage wells deep underground can prime nearby faults for an earthquake. And studies show that a large quake — even one on the other side of the planet — can also push faults over the edge and set off a swarm of mini-earthquakes.

Monica Byrne's post-apocalyptic novel follows two women on dangerous journeys around India and Africa; reviewer Jason Heller says the vivid, haunting prose staggers under the weight of too many ideas.

When President Obama announced changes to how the government collects Americans' phone data, he also defended the program, citing an instance in San Diego.

Researchers at UC Riverside have engineered an implant that offers a transparent view into the living brain. These skull skylights could help with recurring laser-based brain treatments.

As we reported Tuesday, the government shutdown is pushing the nation's food safety system to its limits.

Restricting your calories for short periods of time may be one way to counter seasonal overeating. A few studies make a cautious but encouraging case for the health benefits of regular "mini-fasts."

Some in Congress want to give schools more time to comply with a new law to limit calories and fat and add more veggies to meals. But nutrition advocates say it would roll back healthy gains for kids.

Teenagers have always been creative about repurposing household products in search of a high, and social media is helping them. That leaves parents wondering how to tell danger from harmless hype.