Using data from the James Webb Space Telescope, astronomers have identified a population of “platypus galaxies” that defy existing categories.

The vastness of space allows for a huge variety of structures to pop up all over the place. Even things we think of as one-and-done objects—like galaxies—come in quite a few shapes and sizes. Follow ...

For decades, scientists engaged in the Search for Extraterrestrial Intelligence (SETI) have probed the galaxy for signs of artificial radio transmissions. Beginning with Project Ozma in 1960, ...

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The most distant galaxies in this deep field image from the James Webb Space Telescope appear as small, faint dots—and are receding from us faster than the speed of light due to cosmic expansion. If ...

Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their existence is confirmed it ...

There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big ...

The discovery reinforces established theories about space. There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to astronomers. As many ...

In its first year of full operations, the Euclid space telescope has quietly built one of the most ambitious maps of the universe ever attempted, cataloging 1.2 million galaxies while it was still ...