The comet comes from an enigmatic and colossal cloud of planetesimals that surrounds our solar system.
A new study has highlighted the potential for finding habitable extrasolar worlds around F-type stars.
This peculiar striped rock is quite unlike anything that scientists have ever seen before on the Red Planet.
The Moon will be joined by a second natural satellite for a short time beginning this Sunday.
Here on Earth we take day and night for granted, but such a cycle might not even exist on some planets.
An Australian researcher believes he knows what happened to the plane and why nobody has found the wreckage.
Humans may simply be unable to survive long term on other planets without a bit of genetic tinkering.
The smallest planet in our solar system may be hiding a treasure with a value beyond imagination.
The distances between stars are vast - but just how long would it take us to travel between them ?
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.
Detecting underwater acoustic signals could provide scientists with new insights into plane crashes.
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.