Look up at the sky on a clear night, and you’ll see thousands of stars – about 6,000 or so. But that’s only a tiny fraction of all the stars out there. The rest are too far away for us to see them.

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

A star found in the Large Magellanic Cloud is remarkably unpolluted by heavier elements, suggesting it is descended from the ...

Massive stars do not live long. There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the width of the sun. If it were placed in our ...

The universe exists because matter and antimatter are not good friends. Is there a scientific reason why the universe exists?

What was the universe like in the first few hundreds of millions of years after it came into existence? How did the first stars and galaxies form? Those are questions that astronomers now have a ...

"It's an elegant answer, really, because we thought it was a tiny galaxy full of many separate cold stars, but it's actually, ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Exactly how many stars are in space? – MeeSong, ...