Depending on how you look at it, the universe might not have an "end," after all.

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a key turning point in the universe’s development, known as the Cosmic Dawn.

FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power.

In a groundbreaking development in the field of astronomy, scientists may have captured the first direct image of dark matter, nearly 100 years after it was first theorized. This invisible yet ...

The discovery potentially transforms what we think about how the cosmic environment influences galaxies as they form.

Observing the wonders of the night sky begins with selecting the right telescope. Join us on Nov. 20, 2025, at 9:00 am EST for Astronomy Unlocked: How to Choose Your Best Telescope. This virtual event ...

Molecules containing noble gases shouldn’t exist. By definition, these chemical elements — helium, neon, argon, krypton, xenon and radon — are the party poopers of the periodic table, huddling in the ...