New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

U.S. National Science Foundation NOIRLab astronomers, using data from the James Webb Space Telescope and the Chandra X-ray ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

Taking a look back over the last twelve months, here are several of the biggest science stories in physics this year, as well ...

Distance records are an excellent proxy for the state of the art in astronomy. Finding extremely faraway galaxies is hard. In ...

Astronomers have identified a massive cloud of water vapor surrounding a distant quasar, marking the largest single reservoir ...

Cutting-edge supercomputer simulations reveal intricate processes around black holes, improving our understanding of ...

Black holes are significant within the scientific exploration of space. They are places in space where gravity is incredibly strong, so much so that not even light can evade it.  The center of a black ...

A rare triple system was identified by astronomers about 1.2 billion light-years away from Earth. The system, known as ...

What's the size of the Milky Way galaxy? Learn how, depending on your definition, the size can change.

Astronomers have confirmed the first known triple system in which all three galaxies host actively feeding, radio-bright ...