The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

One fascinating discovery was the detection of vast clouds of gas extending far beyond the main star-forming regions. These ...

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

In a groundbreaking study published in The Astrophysical Journal, astronomers have discovered high-velocity gas clouds near ...

Unusually fast-moving gas clouds near a nearby galaxy suggest they may have come from outside the galaxy. Scientists have ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.