It’s not always easy to see the night sky in the city, but the Adler Planetarium’s Doane Observatory offers Chicagoans a rare, up-close view of the cosmos.

Astronomers may have caught a supermassive black hole in the act of forming inside a uniquely shaped galaxy. Astronomers ...

Astronomers have spotted two massive galaxies locked in a cosmic tug-of-war 700 million light-years from Earth — and for the ...

Astronomers have discovered the oldest and most distant black hole — a behemoth that likely formed at the dawn of the ...

The very first stars in the universe may have been much smaller than scientists thought — potentially explaining why we can't ...

Euclid spots 26 million galaxies and more in latest observations. Credits: ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre, E. Bertin, G. Anselmi, M. Walmsley, M.

Whether they look more like us or have green skin, many of these alien races are some of the most well-known extraterrestrials in science fiction. Natives of the planet Rann, the Rannians look like ...

The black hole, spotted 5 billion light-years away in the Cosmic Horseshoe, could be the most massive ever found.

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another ...

Astronomers have spotted something truly extraordinary in the early universe—a galaxy made up of clumps of stars that look ...

Two new theories propose dark matter either formed in a “mirror” universe or emerged from the cosmic horizon’s quantum ...

Astronomers discover a rare “jellyfish” galaxy with the Webb telescope, whose bright trail reveals how stars are born when ...