Astronomers have spotted an object from outside our solar system bolting toward the Sun at around 150,000 mph (240,000 km/h).

"This tangible evidence of a double detonation not only contributes towards solving a long-standing mystery, but also offers ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

For years, scientists have suspected that stars can meet their doom by a one-two punch of back-to-back explosions — but ...

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...

MUSE allows astronomers to map the distribution of different chemical elements, displayed here in different colours. Calcium ...

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

The host star, HIP 67522, is slightly larger and cooler than our Sun. But unlike our middle-aged star, this one is just 17 ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

This is the first evidence for a white dwarf exploding not once, but twice. The discovery could shed new light on how some ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that ...