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The Laser Interferometer Gravitational-Wave Observatory is made up of two detectors, this one in Livingston, La., and one near Hanford, Wash. The detectors use giant arms in the shape of an "L" to measure tiny ripples in the fabric of the universe.

Massive U.S. Machines That Hunt For Ripples In Space-Time Just Got An Upgrade

The twin sites in the Laser Interferometer Gravitational-Wave Observatory are about to go back online. New hardware should make them able to sense more colliding black holes and other cosmic events.

When Kelly O'Brien went to work at Fidelity Investments a year and a half ago, she was excited to learn the company would contribute to her student loan payments.

A New Benefit: Some Companies Help Workers Pay Down Student Loans

Some employers are offering benefits that pay down student loans. They say it's a popular way to recruit younger workers who are struggling with college debt.

This did not really happen. Cows' heads did not emerge from the bodies of people newly inoculated against smallpox. But fear of the vaccine was so widespread that it prompted British satirist James Gillray to create this spoof in 1802.

New Book: Vaccines Have Always Had Haters

That's one of the themes in the new book Between Hope and Fear: A History of Vaccines and Human Immunity.

New Book: Vaccines Have Always Had Haters

That's one of the themes in the new book 'Between Hope and Fear: A History of Vaccines and Human Immunity.'

Biological specimens are worthless without a record of when and where they were collected. But with that information, specimens like this Eastern Red Bat from Jones County, Ga. become time capsules.

Old Animal Specimens May Hold The Key To New Discoveries

A long-lost trove of preserved animal specimens recently turned up at a university in Georgia. Those old squirrels and muskrats could hold the answers to questions we haven't even thought to ask yet.

A banner for the Clarion Writers' Workshop at UC San Diego.

UC San Diego's Clarion Workshop Teaches Promising Sci-Fi, Fantasy Talent

As some of the biggest names in science fiction and fantasy flock downtown to Comic-Con this week, a group of writers which may include the biggest future names in the genres has congregated in a different part of San Diego to work on their craft.

Researchers say it's too soon to say if marijuana could help humans with Alzheimer's, but experiments in mice showed some effects.

Active Ingredient In Marijuana Reduced Alzheimer's-Like Effects In Mice

In mice genetically programmed to develop Alzheimer's symptoms, those given a synthetic version of a chemical in marijuana retained normal memory function.

A youth scouts for mud crabs and snakehead fish on the parched bed of Chembarambakkam Lake on the outskirts of Chennai, India.

The Water Crisis In Chennai, India: Who's To Blame And How Do You Fix It?

Reservoirs are dry in India's sixth biggest city. Municipal taps work only a few hours a day. Trains are delivering emergency water supplies.

Claudio Gage poses for a portrait at the Hola Code offices in Mexico City, Mexico on May 13, 2019. Gage was deported to Mexico after having lived in the U.S. for more than a decade.

In Mexico, New Groups Offer Aid To A Young Generation Of Deported 'DREAMers'

As former DREAMers return to Mexico with valuable skills and a desire to advance, a number of Mexican organizations are springing up to help these young people contribute to society.

A bowl of tsampa flour pictured with other dishes in a typical Tibetan lunch. Counterclockwise from left: potatoes in turmeric and cumin; liangfen; mung bean jelly and spring onions with cilantro, triple-fried in red chili pepper; and black tea. To make pa, the tsampa would be mixed with butter, tea, salt and sometimes Tibetan cheese.

Tsampa: The Tibetan Cereal That Helped Spark An Uprising

This roasted barley flour has been a Tibetan staple for centuries. When China annexed Tibet in the 1950s, tsampa became a rallying point for the resistance. But will it catch on in America?

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