The trans-Neptunian object Altjira, 44 times farther from the Sun than Earth is, could be the second known trinary, ...

Judging by the volume of messages that I, too, received on Wednesday night, a great many people interpreted the Times ’ push ...

A faint cosmic spin – one rotation per 500 billion years – could resolve the stubborn Hubble tension by tweaking standard ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

A slowly spinning universe could resolve a puzzle in physics known as the Hubble tension, a new model suggests.