The visual journey unveils what the stars in the night sky truly are, using authentic images captured from Earth. With the ...

When we picture outer space, it tends to be the elementary school science textbook version: a dark (usually black) sky, with bright, white stars and a few pops of color coming from planets like ...

Yesterday we discussed why the sky was blue during the day. Today we'll cover Olbers' Paradox, and why the sky turns black in the wee hours. During the ...

Given that you can see stars and that the sky is black, you might think the sky is transparent. But it’s not—at least, not really. Various molecules, atoms and particulates float around in the ...

A pair of stars orbiting one another has been found near the supermassive black hole Sagittarius A* using the European ...

An artist impression of the binary system VTFS 243, made up of a large star and a black hole. This black hole may have formed without a supernova, astronomers suggest.

Light pollution, the term for the brightening of the night sky by unnatural lights, is increasing globally. In North America, only 20% of people can see the Milky Way, generally in rural areas ...

Even though the farthest stars look dimmer and dimmer, there would be a lot more of them, and the whole night sky should look very bright. It seems I’m back where I started, but I’m actually a ...