Science

During intense questioning Thursday by members of the Senate health committee about his plan to keep a financial stake in major vaccine litigation, Robert F. Kennedy Jr. said that he would give...

Around 76 million years ago, something took a bite out of a young pterosaur.Pterosaurs were large, flying reptiles that roamed our planet’s skies when dinosaurs ruled the Earth. Some species were giants....

As he does every three months, Sibusiso traveled on Wednesday morning to a clinic in the capital of Eswatini, a tiny southern African nation, to get a refill of the H.I.V. medication...

You may hear about a large asteroid headed toward Earth. Don’t panic.Just after Christmas Day, astronomers spotted something zipping away from Earth: a rock somewhere between 130 feet and 330 feet long...

The Senate on Wednesday voted to confirm Lee Zeldin to run the Environmental Protection Agency, where he will be charged with executing President Trump’s orders to dismantle major environmental regulations, and possibly...

In a post on X on Tuesday evening, Elon Musk said President Trump had asked his rocket company SpaceX to bring home “as soon as possible” two NASA astronauts who have been...

Our solar system contains planets, dwarf planets, asteroids and comets — but only one world is known to harbor life. Scientists have long debated whether Earth is truly unique. Perhaps our planet...

President Trump last week formally nominated Michael Kratsios, a member of the first Trump administration with no degrees in science or engineering, to be his science adviser.Science policy experts say that Mr....

Star Wars is back, with an executive order from President Trump that the White House said “directs the building of the Iron Dome missile defense shield for America.”The order, issued on Monday...

Treating H.I.V. across dozens of nations. Stopping the forced labor of Chinese workers. Training Mexican and Colombian police in anti-narcotics enforcement.Those are just a tiny sample of aid programs around the world...