In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Award winning duo James S. A. Corey show humanity’s struggle with staggering alien power in their latest installment of the ...

With For All Mankind Season 5 now streaming on Apple TV and the show confirmed to end with Season 6, longtime viewers have been revisiting a persistent theory about where this alternate history saga ...

(cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be ...

Nick Pope, who has died of cancer aged 60, was one of the few UFO hunters to have been on the British state payroll, as head of the Ministry of Defence division dealing with alien visitation; he ...

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

Trump has ordered a UFO data release. But if aliens exist, what would they think of us? - For generations, human beings have ...

In the sci-fi book and now movie Project Hail Mary, astronaut Ryland Grace, played by Ryan Gosling, encounters three ...

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

Americans’ opinion of space exploration is pretty high.