Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

Dark energy, the mysterious phenomenon that powers the expansion of the universe, may undergo periodic 'violent transitions' ...

Now, researchers have discovered a strange energy source at the center of our galaxy that could be linked to a different type ...

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

The cosmic ray subsystem shut off on Voyager 1 last week included ... exactly when and where Voyager 1 exited the heliosphere ...

Researchers from Los Alamos National Laboratory have discovered that cosmic-ray showers seem to play a pivotal role in ...

The JWST is the largest, most powerful space telescope ever deployed. It sees further into the infrared than any previous infrared telescope and has extremely high resolution. That means that when it ...

The universe is ballooning outward at an ever-faster clip under the power of an unknown force dubbed dark energy. One of the ...

Opinion High energy neutrinos are the coolest particles in astrophysics. Born in distant cosmic cataclysms, they speed ...

Black holes, often perceived as cosmic vacuum cleaners, actually play a much more complex role in the Universe. They act as ...