The clandestine vehicle has been in space for almost a year on its latest mysterious mission.
The late planetary scientist, astronomer, author and science communicator would have been 90 today.
The rhesus monkeys have so far managed to evade capture after escaping from a laboratory in South Carolina.
The object had been picked up on sonar and was thought to be the wreckage of the famed aviator's plane.
We tend to assume that an alien civilization would have its own home world - but what if they didn't actually need one ?
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.