Science

WASHINGTON — The Biden administration on Friday restored the legal foundation of an Obama-era regulation governing mercury, a pollutant from power plants that can damage brain development in babies and cause heart...

On Monday, in a low-lying tract of southern Georgia’s pine belt, a half-dozen workers planted row upon row of twig-like poplar trees.These weren’t just any trees, though: Some of the seedlings being...

A sightseeing alien touring our solar system would do well to check out the emerald and blood orange-red ribbons of Earth’s auroras. But our world isn’t the only one with spectacular light...

Lack of rainfall that caused severe drought in Argentina and Uruguay last year was not made more likely by climate change, scientists said Thursday. But global warming was a factor in extreme...

Former vice president Al Gore, who had also called Mr. Malpass a climate denier and campaigned for his removal, said in a statement that his departure “must be the first step toward...

The unusual unanimity of the vote “underscores the importance of moving this drug to greater access and also highlights the terrible risk of not acting in terms of making the drug more accessible,” said...

The unusual unanimity of the vote “underscores the importance of moving this drug to greater access and also highlights the terrible risk of not acting in terms of making the drug more accessible,” said...

Deploying an underwater robot beneath a rapidly melting ice shelf in Antarctica, scientists have uncovered new clues about how it is melting. The findings will help assess the threat it and other...

Already, some places are taking action. France has adopted a national policy that imposes curfews on outdoor lighting and drastically limits the amount of light that can be projected into the sky....

As officials investigate the recent derailment of a train carrying toxic chemicals in eastern Ohio, concerns about the disaster’s effects on human health and the environment are growing, and experts warned that...