Scientists have discovered strange microscopic structures in the blood of people with Long COVID—clusters of tiny microclots ...

Back on planet Earth, and deep inside a pitch-black, sulfuric cave on the Albanian-Greek border, we reported on a study that ...

Scientists have discovered strange clots and immune system changes in the blood of long Covid patients, which could lead to ...

In a first, a scientific conference welcomed paper submissions from any area of science, but with one catch: AI had to do most of the work. Called Agents4Science 2025, the Oct. 22 virtual event ...

A new study has an explanation for the unusual chemical makeup of our interstellar visitor. If true, it's not the best news we've ever heard.

In Texas, biologists have documented an extraordinary bird — the natural hybrid offspring of a green jay and a blue jay. Once separated by millions of years of evolution and distinct ranges, the two ...