See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years ...

The Hubble Space Telescope captures stunning imagery of barred spiral galaxy UGC 678. The galaxy is located about 260 million ...

A dazzling cosmic swirl, NGC 3507 shines alone in this Hubble image, though it secretly belongs to a dynamic galactic duo.

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

Scientists have long puzzled over a discrepancy in how fast the universe is expanding, but new, sharper data from the James Webb Space Telescope may finally be solving the mystery. By refining ...

For the past decade, scientists have been trying to get to the bottom of what seemed like a major inconsistency in the ...

However, a new picture of galaxy NGC 474 captured by Hubble shows an interesting image. Instead of being surrounded by galaxy clusters, NGC 474 is in relatively empty space. Further, the galaxy is ...

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

The brutal star-destroying tidal disruption event is only the second ever seen in interacting galaxies.

Astronomers have explained how a galaxy cluster maintains its heat, despite emitting X-rays that cool the hot gas at its center. The group discovered the existence of a fast-moving, high-temperature ...

The new image shows one galaxy piercing another with intense quasar radiation. Astronomers likened the violent galaxy ...

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