A natural satellite is simply a celestial object that orbits a planet or a smaller body. Unlike the ones we build and send up ...

A team of astronomers used an "Earth-sized super telescope" to detect an object that emits no light, via gravitational ...

This Star Trek concept ignited a dream that humans could one day travel faster than the speed of light. Now physicists are ...

Dark matter is an enigmatic form of matter not expected to emit light, yet it is essential to understanding how the rich ...

Our readers agree that in the unlikely event you were able to approach a neutron star, it would look very smooth and bright ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. Space is big, and ...

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating planet is currently consuming gas and dust from its surroundings at a rate of ...

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

The subject line of the email to KTLA 5 News was like many others purporting to have footage of UFOs: “Caught on video: Object flying across the sky.” The viewer, Michael, shared his location, ...

Few -- if any -- in NFL history have had such a sensational start to their career as Patrick Mahomes. The three-time Super Bowl winner has added a record-setting reminder of that. Mahomes became the ...