Two people suppressed HIV for years while pausing medication

An international team of scientists, using the ground-based Gemini Observatory telescope in Chile, is the first to directly measure the amount of both water and carbon monoxide in the atmosphere of a planet in another solar system roughly 340 light-years away.

Researchers Use Ancient Literature to Track 3,000 Years of Auroras

Hidden Maya complexes hint that the famous calendar was already in use 3,400 years ago