Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

The Gaia mission of the European Space Agency (ESA) has officially ceased its scientific operations after 12 years of service ...

Image of the supermassive black hole Sagittarius A* (Sgr A*). from the Event Horizon Telescope (EHT) collaboration "has uncovered strong and organised magnetic fields spiralling from its edge," ...

That Rich was presenting the story of Edwin Hubble at the January 2025 AAS meeting was symbolic, for it was at the 33rd ...

Scientists are keen to get to the bottom of the dark matter puzzle because this phenomenon accounts for the vast majority of ...

The most powerful telescope to be launched into space has made history by detecting a record number of new stars in a distant galaxy. NASA's James Webb Space Telescope, history's largest and most ...

In the Milky Way and nearby galaxies, such as the Andromeda Galaxy ... said in a statement. Gravitational Lensing Diagram.

Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

Using data from the APOGEE survey, astronomers from the Leibniz Institute for Astrophysics Potsdam, the University of Vienna and Paris Observatory have reconstructed the properties of ‘hidden’ stars ...

Our fascination with black holes is pretty understandable; their one-way boundary, the "event horizon," traps light, meaning no signal can ever travel from inside a black hole to outside.

D9 is the first star pair ever found near Sagittarius A*, the supermassive black hole at the center of the Milky Way. This image shows an emission line of hydrogen mapped by the SINFONI instrument on ...