In adults over 40, “unhealthy” markers narrow or disappear, reshaping how health risk is interpreted and managed.

A new paper challenges the long-held assumption that tree height automatically raises drought risk by changing water transport.

A new study shows human DNA can persist in cave art surfaces for thousands of years, opening a fresh window on past behavior.

As humans push farther into natural spaces, wildlife and people collide more often, raising conflict risks for park operators.

A new trial starts in the Democratic Republic of the Congo to evaluate an antiviral drug and an antibody cocktail against Ebola Bundibugyo.

Rubin Observatory starts LSST operations, with 80-plus Japanese researchers already contributing, linking wide-area surveys to Subaru follow-up.

A South Pole neutrino event ties back to a galaxy that produced stars when the Universe was young.

A new analysis of 50 sites suggests consistent, highly specialized hunting of the largest animals across the Americas.

Exoplanet hunting is not just about the habitable zone. Stellar activity and rotation can mislead missions, and the catalog helps fix that.

Hospital samples from decades ago reveal how resistance tightened gradually, then surged, with global implications for infection control.

After Sony says it will stop producing PS5 discs in 2028, the Video Game History Foundation calls current legal options empty.

A partly self-replicating cell prototype uses existing genes, yet it stops short of a fully living organism.