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.
UFOs, or Unidentified Flying Objects, and extraterrestrials are perennial favorites in science fiction, but to date there have been no confirmed encounters on Earth. Still, strange sights in the night sky have been attributed to UFOs or aliens over the decades, most famously in Roswell, New Mexico, where many believers claim an alien craft crashed on a farm in 1947. In 2017, the existence of a secret U.S. government program that tracked "UFO" sightings by military pilots, which shut down in 2012, was brought to light in a New York Times report.
A circular shape on the seafloor visible on Google Earth is raising cries of "UFO," but chances are … it's not aliens.
A new petition calls for the United States government to release to the public all unclassified videos of unidentified flying objects (UFOS).
UAP will get more attention from both the scientific community and the federal government in 2022, experts told Space.com.
Does the simulation hypothesis offer a compelling argument, or is it just interesting food for thought? Let's find out.
A bombshell UFO report, the "alien junk" in our solar system, and more new clues about extraterrestrial life.
The universe is incredibly old, incredibly large and teeming with potentially habitable planets. So why haven't we found any sign of aliens yet?
According to conspiracy theorists, the Black Knight satellite is an alien spacecraft orbiting Earth. Here's what's really going on.
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.
Scientists warn that increased space exploration raises the risk that alien organisms will invade Earth and that Earth organisms will invade other planets.
A photographer in Zurich, Switzerland, spotted the glowing object while four SpaceX astronauts returned to Earth thousands of miles away.
Humans have scanned and searched the heavens for signs of other advanced civilizations in the universe. And we've found nothing. Absolutely nothing. Maybe we shouldn't focus on intelligent life.
REFERENCE Read on for a brief history of UFO sightings, potential explanations for them, and cultural attitudes toward the phenomenon.