What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

A team of astronomers has attempted to track the path of interstellar object 3I/ATLAS back into the past, tracing its path ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

Our own planet represents a tiny fraction of the peculiar phenomena that can be found lurking throughout the cosmos, and every day astronomers turn up new surprises. In this gallery, we take a look at ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the Universe), states ...

Periodically, the European Space Agency (ESA) releases images that provide breathtaking views of the cosmos, courtesy of its ...

For millions of years, a frozen traveler drifted in silence through the stars, carrying secrets from another world. This ...

The James Webb Space Telescope, launched in 2022, has discovered something that may shatter current theories about the universe's early development.

The first fast radio burst, or FRB, was discovered in 2007 in archival data collected back in 2001, and scientists were ...