The double star system is called HD 135344 AB and it's about 440 light-years away from Earth. A and B are both young stars, ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves inward through the solar system.

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

The comet was discovered by the NASA -funded Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope in Chile ...

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

Supernovae like these are very luminous and referred to as "standard candles" in astronomy. As fixed points, they are used to ...

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

Astronomers have discovered a galaxy that has been "frozen in time" for billions of years. Like a celestial dinosaur fossil, ...