NASA's Hubble Space Telescope snapped a delicate dance of celestial bodies in a new image of a distant galaxy that’s on a ...

The U.S. Department of Defense released new batches of never-before-seen UFO files, including photos and video, on May 8 and 22. Greg Eghigian, professor of history and bioethics at Penn State and ...

NASA offers a simple way to see which stunning celestial image the Hubble Space Telescope captured on your birthday.

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

Once dismissed as empty expanses between galaxies, cosmic voids are becoming one of the most promising tools for probing the ...

Here are some of the best videos from the second drop of UAP videos, including a fighter jet shooting down a UFO and an account that left an intelligence officer "virtually speechless." ...

The Pentagon on Friday released a new batch of 64 files related to UFOs, unveiling a second tranche of records under an executive order by President Trump.

The account comes in the second batch of declassified files released by the Trump administration. The government doesn’t draw any conclusions about the origins of UFOs.

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...