Astronomy frequently lacks that immediate connection. We can observe a star, but cannot move around it to inspect its geometry, place another planet beside it, or wait through its lifetime. Distances ...

I thought the explanation I’d given about black holes was family-friendly. But, after what she had said, I had to rethink my examples ...

The Neil Gehrels Swift Observatory — formerly known as the Swift Gamma-Ray Burst Explorer — is in its final days. The space ...

Scientists say the “cat’s head” shape of the nebula was likely sculpted over time by the intense ultraviolet radiation and winds from massive stars in the Carina Nebula.

The lighthouse seemed to be far out at sea, and sometimes it even appeared to move, like a light carried on a speeding boat.

What can you see in the night sky tonight? Find out what's on view in our monthly stargazing guide.

From the first meeting at the Cetinje high school in 1947, through the heartbreaking story of the family's suffering, to ...