That’s some cosmic trick, but is it done with mirrors?
Some galaxies are extremely massive, compact and filled with dust—how they became so extreme remains a mystery.
Lunar rocks retain a million-year record of solar energetic particles and galactic cosmic rays.
The collaboration’s first image has given us a glimpse of what the future of event horizon studies may look like.
What’s careening through the galaxy at 2.5 million miles per hour and screaming with gamma-rays?
There are some strange similarities between ultra-faint dwarf galaxies and globular clusters—with dark matter anchoring both.
How supermassive black holes and galaxies evolve together is one of the biggest questions hanging over modern astrophysics.
After decades of wondering, the Event Horizon Telescope has revealed what a black hole really looks like. [Feature excerpt]