Swift J1818.0-1617 is located approximately 22,000 light-years away in the constellation of Sagittarius.
An artist’s impression of the magnetar Swift...
Messier 87 is a giant elliptical galaxy located some 53 million light-years away in the constellation of Virgo. In April 2019, astronomers from the Event...
Astronomers using the Multi AperTure mid-Infrared SpectroScopic Experiment (MATISSE) on ESO’s Very Large Telescope Interferometer have spotted a dense,...
Using new radar technology on the 100-m Robert C. Byrd Green Bank Telescope, astronomers have imaged a relatively young lunar crater called Tycho.
Partially...
Astronomers using several ground-based telescopes have spotted the most distant cosmic jet discovered so far. Its source is PSO J172.3556+18.7734, a radio-loud...
A black hole in the Cygnus X-1 binary system is so massive that it challenges current stellar evolution models.
An artist’s impression of the Cygnus...
Astronomers have observed a bright one-sided jet of material ejected at three-quarters the speed of light from the core of the blazar PSO J030947.49+271757.31...
Using NSF’s Very Long Baseline Array, an international team of astronomers has made the direct geometric measurement of the distance to XTE J1810-197,...
Around five years ago, NASA’s Fermi Gamma-ray Space Telescope detected high-energy gamma rays coming from TXS 0128+554, an elliptical galaxy located...
Astronomers using NSF’s Very Long Baseline Array, a continentwide system of 10 radio telescope antennas located between Hawaii and Puerto Rico, have...
Radio observations using a combination of NSF’s Very Long Baseline Array, the Karl G. Jansky Very Large Array and the Robert C. Byrd Green Bank Telescope...
Astronomers using NSF’s Very Long Baseline Array (VLBA) have found a quasar with the brightest radio emission ever observed in the early Universe.
An...
A team of scientists led by National Radio Astronomy Observatory astronomer James Condon has found the shredded remains of a small galaxy that passed through...