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

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

Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly?

Scientists say that the construction of a vast new radio telescope array in the Utah desert — known as the Deep Synoptic ...

You can see the recently identified "interstellar object" 3I/ATLAS shooting towards us through the solar system in a ...