The Roman Space Telescope's next generation coronagraph instrument will help deliver amazing views of exoplanets. Learn how it works. NASA's Nancy Grace Roman space telescope will send the hunt for ...

NASA has given a hilarious response to President Trump following his demand for UFO files - and it dashes hopes of an ...

"We’ve got our people working on it right now,” said the U.S. Defense Secretary.

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

A mysterious interstellar object known as 3I Atlas has entered our solar system, and the more scientists observe it, the ...

When a mysterious crescent appeared over Moscow in 1967, alien enthusiasts were unaware they were actually tracking a 3-megaton weapon designed to bypass American radar.

American air force accused of sharing fake news around extraterrestrial activity to divert attention from its ‘nefarious ...

As "Invincible" Season 4 gets underway, the show's trailer has unveiled a slew of new characters ripped straight from the ...

Superman has one of the greatest rogues’ galleries in comic book history, and these are the most powerful villains he’s ever faced.

So here’s the situation: you live in Virginia, which gives you access to one of the most spectacular underground attractions ...