After more than a decade of mapping the stars, the European spacecraft will shut down on Thursday. But its legacy lives on.

Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

A strange swirl in the sky seen over much of Britain and Europe this week wasn’t the result of alien activity but rather a ...