The local universe may be expanding more slowly than previously thought, scientists have found. The discovery, made in two ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

Hubble has captured evidence of extraordinary jet activity from the interstellar comet 3I/ATLAS, which challenges established models of cometary physics and raises new questions about the nature of ...

Is 3I/Atlas an interstellar alien vessel or simply an intriguing, unique rock hurling through the cosmos? That debate has been raging ever since the comet, only the third known interstellar object to ...