NASA’s Scientific Balloon Program is back in Antarctica, launching two exciting balloon missions that aim to uncover some of ...

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

The James Webb Space Telescope found "tiny red dots" in the early universe representing overgrown supermassive black holes and stars that are impossibly old for the infant cosmos. Using the James Webb ...

Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These ...

A black hole’s bizarre "heartbeat" is forcing astronomers to reconsider how these cosmic heavyweights behave. Observations of IGR J17091-3624 — a black hole in a binary system roughly 28,000 ...

Supermassive black holes lurk all throughout the known universe, but catching one in the act of devouring its cosmic dinner doesn't happen all that often. In fact, unless a black hole is actively in ...

The tidal forces produced by a tiny black hole would have an interesting effect on human bodies.

A pair of newly-discovered record-breaking black holes has scientists simultaneously popping the champagne and scratching their heads. The massive duo are the largest ever recorded at the Laser ...

A fresh analysis of decades-old X-ray black hole jet data has revealed bright, lumpy features with mysterious speed changes. Astronomers have used a range of telescopes, including Hubble, to watch as ...