Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.

Using the XRISM space telescope, scientists spotted faint emissions of the elements in remnants of the Cassiopeia A supernova ...

Smooth filaments stretching for many light-years, seen by the powerful space telescope, could indicate what the right "recipe ...

Final data from the Atacama Cosmology Telescope has ruled out 30 models of the universe, sharpening the Hubble tension and ...

A novel "X-arithmetic" technique reveals how black holes shape the universe's largest structures.

We're in Fort Davis today for conversations about the dark skies and the ways Texas is contributing to space science.

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

New NASA-backed research using the Chandra X-ray Observatory suggests many small galaxies may lack supermassive black holes, ...

Later work by others built on this, showing that these energy levels are a fundamental part of how the universe works at the ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

Because of this deep connection, it’s often more accurate to think of entangled particles not as two separate things, but as ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.