The space agency hopes to get to the bottom of the many sightings being reported.
Alien hunters should learn from the Intergovernmental Panel on Climate Change (IPCC).
Could spherical metallic fragments be from a nuclear test?
You’re not allowed to visit the part of Nevada known as Area 51. That’s because it’s a top-secret government facility. But the secrecy has to do with spy planes, not space aliens.
All who testified before a congressional subcommittee claimed that UFOs pose a threat to national security, though there’s still no public evidence that UFOs are extraterrestrial.
Three Indigenous studies scholars draw from colonial histories and explain why listening for alien life can have ethical ramifications.
While UFO videos might seem compelling, they’re rarely backed up with evidence. A sociologist explains why claims of alien life gain traction through both social and mass media every few years.
A new book explores the enormous Alien franchise spawned by the 1979 film.
For nearly 30 years, Western Australia peddled the lie that Aboriginal people had to apply under state law to become ‘Australian citizens’.
The accumulated radio emission from mobile phones on Earth is beginning to become quite significant.
The Jupiter Icy Moons Explorer and Europa Clipper missions will arrive at Jupiter in the 2030s and provide researchers with unprecedented access to the icy moons orbiting the gas giant.
We’ve spent ages learning about the people who think they’ve come from another planet, so you don’t have to.
With more than 5,000 known exoplanets, astronomers are shifting their focus from discovering additional distant worlds to identifying which are good candidates for further study.
To date, we have not heard from any aliens. Nor have we seen any – but here are the fascinating projects working to change that.
Can artificial intelligence transform the search for alien intelligence?
There may be ways to check if our universe is just simulated entertainment for an advanced, alien species.
The technology of an advanced alien civilization is likely to produce many signs that could be detected across the vastness of space. Two astronomers explain the search for technosignatures.
Newly discovered super-Earths add to the list of planets around other stars that offer the best chance of finding life. An astronomer explains what makes these super-Earths such excellent candidates.
Life on Earth has dramatically changed the chemistry of the planet. Astronomers will measure light that bounces off distant planets to look for similar clues that they host life.
Have astronomers finally found evidence of intelligent found life beyond Earth?