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

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

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 ...

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 ...

One of the most powerful objects in the universe is a radio quasar – a spinning black hole spraying out highly energetic particles. Come too close to one, and you’d get sucked in by its gravitational ...