"They're so rare, and they're incredibly useful scientifically," said Conor O'Riordan of the Max Planck Institute for Astrophysics.
Astronomers have discovered a massive, double-lobed radio jet stretching 200,000 light-years from a quasar that existed when ...
A study published in the Journal of Cosmology and Astroparticle Physics (JCAP) presents a methodology to test the assumption ...
Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy. The halo, known as an ...
The Universe is full of dust, and a striking new image from the Hubble Space Telescope highlights just how important it is.