Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

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 ...