Science

Federal weather officials say a La Niña weather condition has formed in the Pacific. It may fuel drought conditions in the West as well as more Atlantic storms.

A new federal report shows vaping rates among U.S. teenagers fell dramatically this year, especially among middle school students.

The world is getting closer to passing a temperature limit set by global leaders five years ago and may exceed it in the next decade, a new U.N. report says.

AstraZeneca’s suspension of testing of its coronavirus vaccine while it investigates an illness shows there will be ‘no compromises’ on safety, the NIH chief said.

The move comes after the Times revealed administration’s ending of key research

There’s a lot going on in Christoper Nolan’s new action epic “Tenet,” so we asked Claudia De Rham, a theoretical physicist from Imperial College London, for her thoughts.

The number of mammoth skeletons recovered at an airport construction site north of Mexico City has risen to 200, with more discoveries expected.

The prevalence of depression symptoms in the U.S. has more than tripled in the COVID-19 era compared to the period before the pandemic.

Underfunded health departments say they lack the staff, money and tools to distribute, administer and track doses of COVID-19 vaccine for millions of people.

Studies confirm that multiple types of steroids improve survival for severely ill COVID-19 patients, cementing the cheap drugs as a standard of care.

Scientists had thought black holes came in only two sizes: very large and relatively small. But a cosmic merger has revealed a black hole that’s in between.