Astronomers have discovered what may be the brightest object in the universe, a quasar with a black hole at its heart growing so fast that it swallows the equivalent of a sun a day. The ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be ...

A giant supermassive black hole (SMBH) that consumes the mass of the Sun a day has been found to be about one-fifteenth of its initially estimated size, which makes its rate of feeding even more ...

Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may ...

It has been over two decades since the discovery of dark energy. Scientists have therefore had more than 20 years to decode the secrets of this invisible substance that appears to be pulling the ...

Astronomers have recently discovered the brightest known object in the universe. This celestial phenomenon, known as J0529-4351, was discovered by Australian scientists and is a quasar powered by a ...

UNIVERSITY PARK, Pa. — A recent discovery by NASA’s James Webb Space Telescope (JWST) confirmed that luminous, very red objects previously detected in the early universe upend conventional thinking ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

For more than a century, physicists have suspected that the familiar three dimensions of space and one of time might be only ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Ever since the early 20 th century, we’ve known that the universe ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...