Two separate research teams have observed a previously unseen microlensing event, confirming the existence of a particular ...

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

A young world drifting alone through space is putting on one of the most violent growth spurts astronomers have ever seen, ...

Today's NYT Strands hints are easy if you're not afraid of heights.