May's full moon is the Flower Moon, rising May 12. It will also be a micromoon, appearing slightly smaller than usual.

The geology of the Cascadia subduction zone has largely staved off climate-related sea-level rise in the Pacific Northwest, but that could reverse in an instant.

The discovery of Eos, the closest known molecular cloud to Earth and one of the largest structures in the night sky, hints at the presence of many previously unseen clouds throughout the galaxy.

A Celtic burial site from the Second Iron Age in France contains two rare, well-preserved swords.

Researchers have found that wounds heal three times more slowly in humans than in other primates and rodents, suggesting we may have evolved slower healing at some point in our ancestry.

Dead stars may have started churning out vast amounts of gold much earlier in the universe than previously thought, a new study hints. Powerful magnetar flares may be the reason.