At the heart of the Milky Way, just 27,000 light-years from Earth, there is a supermassive black hole with a mass of more ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the most important numbers in the universe ...

Physicists show knotted cosmic strings may have dominated the early universe before collapsing to create matter—a theory ...

Comet 3I/ATLAS is only the third confirmed interstellar object ever spotted, travelling over 130,000 mph and carrying chemical signatures older than our Sun ...

The Goodwill Thrift Store & Donation Center in Norman, Oklahoma proves that retail therapy doesn’t require a trust fund—just curiosity and the willingness to dig through other people’s former ...

Scientists led by a team from the University of Chicago recently released a study that mapped some of the largest known ...

Even though we can explore the universe with great precision, there is still a lot we don't know, according to Ulf Danielsson, professor of theoretical physics at Uppsala University. Besides doing ...

The universe contains roughly 2 trillion galaxies and countless mysteries, including dark matter, supermassive black holes, the nature of time, and the absence of observable aliens.

Supernova remnants, stellar nurseries and more populate the new edge-on view of the Milky Way as seen from Earth’s southern hemisphere.