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

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

JWST uncovers evidence of ancient “monster stars” whose extreme chemistry may explain the origins of early supermassive black ...

How can a galaxy display perfectly defined spiral arms when the Universe had only a little over 10% of its current age? This ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

Now that we have tools to find vast numbers of voids in the universe, we can finally ask…well, if we crack 'em open, what do we find inside? The answer is a whole bunch of nothing. You probably could ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...

Astronomers have discovered a beautiful, well-formed spiral galaxy from a time when the universe was still very young—only ...

For centuries our solar system was the only planetary system known to humans. We had no proof other worlds existed beyond those in our own cosmic backyard, and we imagined that if other planetary ...

The galaxy far, far away isn’t just, you know, far away. It’s also really, really big. It’s home to innumerable stars and planets inhabited by countless living creatures of every size and shape. The ...