Cygnus X-3, an X-ray binary system located some 7,400 parsecs (24,136 light-years) in the constellation of Cygnus, represents a class of ultra-luminous...
Astronomers using NASA’s Chandra X-ray Observatory have detected an extragalactic candidate planet circling a binary system in Messier 51 (also known...
Astronomers using NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) have found a remarkable source of X-rays in NGC 6946, a spiral galaxy located...
ESA’s XMM-Newton mission has spotted a pulsar — a rapidly rotating, magnetized neutron star that sweeps regular pulses of radiation in two symmetrical...
Using data from NASA’s Chandra and ESA’s XMM-Newton space telescopes, astronomers have found a pair of remarkable sources that dramatically flare in...
The NASA/ESA Hubble Space Telescope has captured an incredible image of the nearby galaxy NGC 5408.
This image from the NASA/ESA Hubble Space Telescope...
A team of astronomers has found evidence for an intermediate-mass black hole in the spiral galaxy NGC 1313 (also known as the Topsy Turvy Galaxy).
This...
A spectacular cosmic collision between the spiral galaxies NGC 2207 and IC 2163 has been caught in a composite image generated by NASA’s Chandra X-ray...
An international team of astronomers, led Dr Matteo Bachetti of the University of Toulouse in France, has detected what they say is the most powerful pulsar...
New observations of the galaxy Messier 101 have yielded the discovery of an unusual black hole that can sustain a hugely voracious appetite while consuming...
