We tend to assume that an alien civilization would have its own home world - but what if they didn't actually need one ?
A new study has highlighted the potential for finding habitable extrasolar worlds around F-type stars.
The Moon will be joined by a second natural satellite for a short time beginning this Sunday.
An Australian researcher believes he knows what happened to the plane and why nobody has found the wreckage.
The smallest planet in our solar system may be hiding a treasure with a value beyond imagination.
This relatively nearby world, which is a lot larger than our own, is situated approximately 49 light-years away.
If an alien civilization has terraformed the atmosphere of a distant planet, we may be able to find it.
The private jet and its passengers had vanished without a trace, leading to decades of fruitless searches.
A planet thought to be the real-life equivalent of Spock's homeworld Vulcan might not actually exist after all.
An unknown object was spotted in a very brief clip recorded during the Memorial Day weekend activities.
China's answer to the X-37B is doing something in Earth's orbit and nobody is quite sure what that might be.
Luring inquisitive extraterrestrials to our planet using nuclear radiation seems like a bit of a shot in the dark.
Has the James Webb Space Telescope found life on a distant extrasolar world or could there be an alternative explanation ?
A type of rare, though extremely energetic and deadly cosmic event is able to wipe out whole planets.
A gas discovered in the atmosphere of this distant extrasolar planet is 'only produced by life', say scientists.
A team of planetary scientists has found new evidence of an undiscovered planet in the outer solar system.
The SpaceX CEO has some ambitious plans to build a thriving city on the Red Planet within as little as 20 years.
Rumors have swirled for years around the development of a new type of hypersonic reconnaissance aircraft.
The details of the vehicle's latest mission are top secret, but that hasn't stopped an amateur astronomer from locating it.
Astronomers have identified a potentially habitable extrasolar planet situated around 137 light-years away.