It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

This infrared view offers the clearest look yet at how dwarf galaxies merge, evolve, trade gas and ignite waves of new stars.

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected ...

The universe is absolutely massive in ways that are hard to properly get your head around, but what’s even more […] ...

The Hubble Space Telescope has been quietly orbiting Earth for decades, but it’s still one of the most valuable tools […] ...

New X-ray imaging method maps sound waves, shocks, bubbles and cooling gas in galaxy clusters, revealing stronger black hole feedback in groups.

With contributions from Brown faculty and students, the LUX-ZEPLIN experiment analyzed the largest dataset ever collected by ...

X-ray: NASA/CXC/Univ. of Chicago/H. McCall Galaxy clusters are the most massive objects in the universe held together by ...