Explore 15 photos and facts about the Hubble Telescope, revealing its discoveries, missions, and breathtaking views of space.

Go outside right now. What’s the farthest thing you can see? A tree? A bird? What about the Moon? It’s 250,000 miles away. The Sun is 400 times farther than that, at nearly 100 million miles (but ...

I stuck to my "no telescope" rule for years, right up until a trip to New Brunswick's dark-sky corridor a few years ago, when ...

The new view captures an irregularity in how stars are distributed within NGC 6397.

Astronomers studying an ancient star cluster have discovered a strange gap where certain stars should exist but do not. The ...

Astronomers have long known that neutron stars, the crushed cores left behind after massive stars explode, should be scattered throughout the Milky Way galaxy. However, most of them are effectively ...

NASA’s Roman Space Telescope could revolutionize the search for alien worlds by discovering around 100,000 exoplanets—far ...