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

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 ...

A new study suggests that some of the Universe’s earliest giant galaxies may have lived dramatic lives. They began as dusty ...

NASA’s next great space telescope will see 100 times more sky than Hubble. It’s about to arrive in Florida for launch in ...

Dark energy has been a mysterious element of cosmological equation since it was proposed three decades ago, but new research ...

NASA's latest and greatest space telescope, named after the agency's first female chief astronomer Nancy Grace Roman, is ...

Space is usually crowded at the center of a giant galaxy. Stars pack tightly together, shining with the collective brilliance ...

This could change our understanding of how the cosmic titans collide.

Emma Chapman's "The Echoing Universe" is a vivid survey of the hidden parts of the cosmos and those who seek them out.

Why is the night sky so dark? With trillions of galaxies, each containing billions of stars, shouldn't we be in a cycle of never-ending light?

A spectacular new view of the Sombrero Galaxy is changing how astronomers see one of the most famous galaxies in the night ...

For half a century, physics insisted that the supermassive black hole at the center of our galaxy had to be pushing gas ...