The International Academy of Astronautics has updated its guidelines, requiring verification and UN consultation before announcing or responding to potential alien signals, to prevent misinformation and ensure global consensus.

How David Levinson’s plan, Russell Casse’s sacrifice, and humanity’s unity defeat the alien invasion and secure a second chance for Earth.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. For as long as humans have looked up at the night sky, we've wondered who, or what ...

All fiction is metaphor,” wrote Ursula K Le Guin. “Science fiction is metaphor.” The writer, most famous for her Earthsea fantasy novels, captured the civil rights movement, second-wave feminism and the rise of environmentalism in her fiction from ...