Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

Donald Trump says a UFO review uncovered “interesting” documents, with initial releases expected soon as part of a transparency effort.

NASA has released stunning new Artemis II images, including a “Crescent Earthrise” and detailed views of the lunar farside.

The subject of UFOs and aliens is vast and complex, making it impossible to summarize in one article. Flying saucers/UFOs made headline news throughout the world in 1947, sparked by two major, highly ...

The creator of Project Hail Mary has written a brand-new story in his beloved sci-fi universe and this time, you can ...

When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

A video game about little green aliens building space rockets is seeing a resurgence tied to NASA's Artemis II mission.

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...

Jeff Bridges earned his first Best Actor Oscar nod for starring in this under-appreciated sci-fi film directed by John ...

"I don't pay attention to the world ending. It has ended for me many times, and began again in the morning," the poet ...

Discover 15 hoaxes people actually believed were real, from clever tricks to shocking deceptions that fooled the public.

The way Ryan Gosling and Sandra Hüller went on about it in "Project Hail Mary", you'd think they were the only people who'd ...