Latest about ufos-extraterrestrials
The 'Black Knight' satellite: A 120-year-old conspiracy theory
According to conspiracy theorists, the Black Knight satellite is an alien spacecraft orbiting Earth. Here's what's really going on.
Could deciphering dolphin language help us communicate with ET?
There are creatures here on Earth that may give us clues about how to communicate with extraterrestrial intelligence — dolphins, which are famously social and smart.
Area 51: What is it and what goes on there?
Reference Area 51 is a U.S. military base that has become synonymous with tales of UFOs, government cover-ups and potentially testing alien technology.
The Fermi Paradox: Where are all the aliens?
Reference The Fermi Paradox seeks to answer the question of where the aliens are. After all, the universe is incredibly old, big and filled with potentially habitable planets.
Best space books to read in 2025
Space.com's editors present a reading list for space and sci-fi lovers, as well as children who are interested in astronomy and spaceflight.
25 biggest space conspiracy theories: Debunked
Here we debunk some of the most common and enduring space conspiracies.
UFOs 'not attributable to foreign adversaries," new Pentagon report says
"Analyzing and understanding the potential threats posed by UAP is an ongoing collaborative effort involving many departments and agencies."
'Alien' spherules dredged from the Pacific are probably just industrial pollution, new studies suggest
Last summer, Harvard professor Avi Loeb claimed tiny pellets of iron came from beyond our solar system. But new analyses suggest that they likely originated much closer to home.
