The precursors of heavy elements might arise in the plasma underbellies of swollen stars or in smoldering stellar corpses.

Astronomers have a new way to pin down the size and nature of stellar corpses called neutron stars, which are so dense they may boast exotic forms of matter seen nowhere else in the universe.

Neutron stars have a weight limit too, but that number is a little harder to pin down because we're not exactly clear on the confusing physics happening deep inside their cores.

The light they produce wobbles around, making them hard to pin down. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists can finally ...

Space Why it's taking a century to pin down the speed of the universe. The Hubble constant, a set number that connects a galaxy’s speed to its distance from Earth and tells us how fast the ...

If dark matter is made of axions or similar ultralightweight particles, then merging galaxies and clusters may form axion "stars" at their centers that astronomers might be able to detect.

Space may help scientists finally pin down the lifetime of a neutron Scientists need to pin down the lifetime to better understand fundamental physics questions, like how the universe evolved.

In space, no one can hear a pin drop. Richard Branson’s Virgin Galactic was forced to ground its rocket after a part fell off during its first space tourism flight of 2024.

The pin was located on the underbelly of Virgin Galactic’s mothership, called VMS Eve, which is a twin-fuselage plane designed to carry the space plane, VMS Unity, under its wings to a high ...