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

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

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

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

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

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

The discovery of thousands more galaxies with stars ringing their main disks could help astronomers study galactic evolution ...

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

Results show that players’ choices echo predator-prey patterns seen in wildlife, though scientists stress the limits of the ...

The sun’s outer atmosphere resembles a pufferfish.

When infected by a fungal disease, ant pupae actively emit a chemical cue that prompts workers to get rid of them for the ...