The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

A long-running Facebook user's account is erroneously disabled by Meta — thousands of other users are experiencing the same ...

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

For centuries, Europeans thought that eternal daylight saturated the cosmos. The shift to a dark universe has had a profound ...