Officials said one person was killed and 20 others were poisoned after eating death cap mushrooms, which look and taste like safe mushrooms but can cause liver failure.

Mr. Trump is pushing to approve their production in the United States.

Only four donors have transmitted rabies to organ transplant recipients since 1978, according to federal officials.

Scientists fear warming is driving a collapse in the ocean currents that shape climate far and wide. The ice-choked waters off Greenland might hold the key.

As head of the Environmental Protection Agency, Lee Zeldin has weakened protections against toxic chemicals, say members of the MAHA movement.

A Nobel laureate, he identified an enzyme that cuts DNA, laying the groundwork for milestones in scientific research and medicine, like insulin.

An ocean-mining company has funded some of the most comprehensive scientific studies to date, and peer-reviewed results have begun to emerge.

Researchers suggest that an earthquake spooked a mob of sea turtles gathered together in a prehistoric sea.

“Masking” is part of life, especially for those with autism or A.D.H.D. But hiding your true self comes with a cost.

The health secretary has walled himself off from government scientists and empowered fellow activists to pursue his vaccine agenda.

Two papers challenged the existence of theorized particles called sterile neutrinos that might account for mysteries like the cosmos’s dark matter.

Yuri Ralchenko led one of the oldest teams at the National Institute for Standards and Technology. The fate of some experiments hangs in the air.

Blooms of yellowish-brown seaweed along the Equator are breaking records and defiling beaches, while a centuries-old patch farther north is disappearing.

A researcher found that a Japanese pond frog is impervious to the stings of the northern giant hornet, even when it goes down the hatch.

The president said he would weaken Biden-era mileage standards, which were designed to increase electric-vehicle sales, calling them a “scam.”

The president withdrew Jared Isaacman’s nomination to lead the space agency in June, but senators of both parties appeared willing to give him a second shot at confirmation.

The slaty-masked tinamou, recently discovered in Brazil, is utterly unafraid of people. That could be its undoing, ornithologists worry.

Here’s what to know about your daily brew and the environment.

Executives from top automakers were invited to attend the announcement at the White House on Wednesday.

The ability of Russia to launch astronauts to the International Space Station remains in limbo after an incident last week at the Baikonur base in Kazakhstan.