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A heart cockle shell has been found to let in light through a design that resembles fiber optic cables. This could inspire everything from helping coral survive to designing new camera lenses.

The West has had one of the worst winters for snowpack on record. The lack of snow is causing drought across much of the reason and spelling trouble for communities.

When their rare Siberian tigers proved to be "just friends," the National Zoo turned to artificial insemination in hopes of creating a next generation.

As Europe strives to curb carbon emissions, Germany and France are at odds over whether nuclear power is clean. German public opinion has forced the closure of nuclear plants as France forges ahead.

Ronald Reagan wants a leaner government with fewer regulations and much less spending. So, he hired Anne Gorsuch to lead Environmental Protection Agency — a move that seeded concerns about regulatory capture.

Four years after a winter storm led to a massive power blackout in Texas, a podcast examines the role the state's natural gas system played in the disaster.

If you've spent any time around cats, you've seen them curl up in cozy spaces. A new study on feline cognition shows that they also like to sit in snug squares created by a kind of optical illusion.

The coronavirus pandemic has created an opening for vaccine opponents to peddle alternative therapies, unproven cures and website subscriptions.

Lulu Garcia-Navarro talks with Amesh Adalja, an infectious disease doctor from Johns Hopkins University, about COVID-19 reinfections.

The billboard and TV spot shows a Nigerian beauty pageant winner using a product called Natural Fairness Body Lotion. Critics are describing the ad as "colorist" and tone-deaf.