The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

Clouds Are Mostly Made of Water When you gaze up at the sky and see clouds drifting by, it might surprise you to learn that ...

A rare grouping of 10 celestial bodies is captured in a stunning new photo taken during last weekend’s great planetary parade ...

It is a descendant of the deadlier clade 1a strain of mpox, formerly known as monkeypox , which is estimated to kill up to 10 ...