Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

This video explores obscure answers to the Fermi Paradox, asking why the universe seems silent if alien civilizations should ...

A mysterious object speeding across the universe might look like a UFO, but the real story is even more fascinating.

Add Yahoo as a preferred source to see more of our stories on Google. As an astrophysicist, I've spent two decades modeling how black holes spin, how that creates jets, and how they affect the ...

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously secret NASA Apollo 16 briefing surfaced online. The recording references a ...

Thinking about watching 'Black Hole Alien Brain Zombies!' without the hassle? We’ve rounded up streaming services and cable providers with rental, purchase, and subscription options, so you can choose ...

Remember when I warned everyone that humans would probably destroy all life in the universe like construction workers killing ant colonies to make way for a never-ending series of cosmic strip malls?