The answer: There are approximately 2,000,000,000,000 galaxies in the universe – that’s 2 trillion. Astronomers don’t know ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...

A vast filament of gas stretching across the cosmos may help solve the mystery of the Universe’s missing matter. Astronomers ...

In its first year alone, it will double the amount of data collected so far by every other instrument in the history of ...

Scientists say 95% of the universe is made of invisible matter and energy. How can we study what we cannot see — and what ...

Advances and the arrival of new technologies have allowed astronomy, the science that studies celestial bodies and phenomena ...

Astronomy fans can zoom in practically forever into the stunning first images from the Vera C. Rubin Observatory ...

These cosmic filaments contain 12 trillion solar masses of 10-million-degree gas, helping solve the "missing matter" mystery.

Astronomers unveiled the first images of distant galaxies from an advanced telescope, opening a new era in space discovery.

The first images from the Vera C. Rubin Observatory showed off a breathtaking preview of its capabilities — capturing millions of stars and galaxies light-years from Earth, along with thousands ...