ufos extraterrestrials
Latest about ufos extraterrestrials
![spacecraft against dark background](https://cdn.mos.cms.futurecdn.net/2LtFhcaQXV7cBaUx7Nra4A-320-80.jpg)
If aliens have visited the solar system, here's how to find clues they left
By Paul Sutter published
In a new paper, scientists outline how we can look for clues any alien visitors to our solar system may have left behind.
![Mars may once have been habitable.](https://cdn.mos.cms.futurecdn.net/rFxjRZcHNTZ8Jpw34pthnQ-320-80.jpg)
Ancient Mars microbes triggered climate change that made it hard for them to survive
By Tereza Pultarova published
Ancient microbes triggered a climate change on Mars that made the planet less habitable, which may have ultimately led to their extinction, a new climate modeling study suggests.
![The Allen Telescope Array in Northern California is dedicated to astronomical observations and a simultaneous search for extraterrestrial intelligence (SETI).](https://cdn.mos.cms.futurecdn.net/rQqDksDevrxHLSD69iP6xM-320-80.jpg)
Contact with ET: How would humanity react?
By Leonard David last updated
The knowledge that we're not alone in the universe could have far-reaching effects on our view of ourselves and our place in the universe. But it's tough to get more specific than that.
![The spiral galaxy M74 imaged by the NASA/ESA JWST.](https://cdn.mos.cms.futurecdn.net/dxJz3eA23bDoSgLvt7yTx9-320-80.jpeg)
The Drake equation for alien intelligence is more important than ever
By David Rothery published
In 1961, the US astrophysicist Frank Drake, who passed away on Sept. 2 at the age of 92, came up with an equation to estimate the number of intelligent civilizations in the Milky Way right now.
![U.S. Navy pilot video image of an unidentified aerial phenomenon](https://cdn.mos.cms.futurecdn.net/tSYaBe2x7K4mJhUide3eoW-320-80.jpeg)
Classified UFO videos would 'harm national security' if released, Navy says
By Brandon Specktor published
The U.S. Navy admitted that it has unreleased videos of UFO encounters but refused to share them due to 'national security concerns.'
![The night sky over Kyiv, Ukraine in 2020.](https://cdn.mos.cms.futurecdn.net/Tn3MadHXajCkhsRpbH3QDX-320-80.jpg)
'Cosmic' and 'phantom' UFOs are all over Ukraine's skies, government report claims
By Brandon Specktor published
Dozens of 'phantom' and 'cosmic' UFOs have been detected in the skies over Ukraine, a new government report claims.
![There are potentially hundreds of billions of exoplanets in the Milky Way and many of them are likely to have conditions suitable for life.](https://cdn.mos.cms.futurecdn.net/G3ah7Ri9TToS79ttyUNuB4-320-80.jpg)
'We can find life outside the solar system in 25 years,' researcher says
By Tereza Pultarova published
We haven't found life on Mars yet, but one researcher believes we might be able to detect evidence of it on planets outside of the solar system within the next quarter of a century.
![Have you ever wondered how they make Starburst taste to juicy? After more than eight years of asking, Starbust is taking the search to new galaxies and any extraterrestrial life forms that may be listening.](https://cdn.mos.cms.futurecdn.net/swi9uAr5E2mePqj7UUD7t8-320-80.jpg)
Starburst candy to send fans' TikTok videos into outer space
By Robert Z. Pearlman published
Starburst, the fruit-flavored soft taffy, is taking a nod from its name and preparing to become the first brand to send TikTok videos into outer space in "Ask the Universe" challenge.
Get the Space.com Newsletter
Breaking space news, the latest updates on rocket launches, skywatching events and more!