Though it appears as a softly glowing cloud against the darker sky, what we see is so much more remarkable. This is the rim of our galaxy’s disk arching across the sky. Its hazy appearance, of course, ...

Astronomers have made a surprising discovery at the heart of our galaxy—the Milky Way. They’ve found cold clouds of gas floating inside the blazing-hot Fermi bubbles, enormous structures of ...

Folks think I’ve lost my mind when I suggest the best time of year to visit me for stargazing here in the Southern California desert is during late July ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

A new Hubble image of NGC 1786 reveals stars of multiple ages in the ancient cluster, challenging previous theories and offering new clues about galaxy evolution ...

A stronomers have discovered that the Milky Way might be just a small piece of a much larger cosmic structure than previously ...

The solar system's journey through the galaxy is more complex than most imagine. While we often picture planets orbiting the ...

The phenomenon is a key to galaxy formation. When galaxies collide, their central supermassive black holes often merge, forming larger ones, as seen in the Milky Way future collision with Andromeda in ...

For centuries, humanity believed that Earth was the center of the universe, a view championed by Aristotle and Ptolemy. But ...

"It was something I’ve never seen before and I’ve looked at tens of thousands of images of galaxies over my career," he said.

The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...