The elm zigzag sawfly has spread to 15 states in five years. Now it's attacking the tree that cities planted to replace Dutch ...

The federal move to no longer recommend certain vaccines for all U.S. children is not supported by new evidence and could ...

The pathogen that causes the sexually transmitted disease gonorrhea is notorious for its ability to develop drug resistance. But now there are two more treatment options. In December, the U.S. Food ...

The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

Among the first finds from the Vera C. Rubin Observatory, the discovery hints at a population of exceptionally strong ...

The new guidelines emphasizes eating protein and full-fat dairy while reducing sugar, carbs and ultraprocessed foods.

The subatomic particles are incredibly numerous. About 1,000 neutrinos from stars other than the sun pass through a thumbnail ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

A new analysis uncovers traces of poison on the South African arrowheads, pushing back the timeline for poisoned weapons by ...

Longest lightning, the first AI-generated genomes and biggest black hole smashup were among this year’s top science ...

Trees are known for absorbing CO2. But microbes in their bark also absorb other climate-active gases, methane, hydrogen, and ...

The sun’s outer atmosphere resembles a pufferfish.