If you've ever looked closely when your dog or cat blinks, you may have noticed that it has a third eyelid.
NASA is currently funding a revolutionary new propulsion system that could make it much easier to travel to Mars.
Today, we are the only human species left on the planet - but what was it that made us so special ?
It might be hard to imagine, but many millions of years ago, our ancestors had long tails just like monkeys do today.
The movement, often described as a cult, is based around the idea that humans were created by an alien race.
The huge structure could potentially be the oldest Stone Age megastructure built by humans in Europe.
Viruses trapped in permafrost for thousands of years could potentially thaw out and infect modern humans.
Could our evolutionary history during the time of the dinosaurs have determined how long we live ?
Interbreeding between modern humans and Neanderthals could account for why some of us are predisposed to be early birds.
The billionaire entrepreneur and founder of Blue Origin envisages a future in which most people live in outer space.
How would our canine companions fare if all the humans in the world suddenly disappeared ?
A new genetic data analysis has revealed that our ancestors were almost completely wiped out.
Scientists have discovered evidence of a previously unknown period of low temperatures over 1.1 million years ago.
A professor of molecular biogerontology has indicated that humans could potentially live for much longer than we do now.
An attraction at a zoo in China has gone viral after a confusing video clip was posted on social media.
Whether or not some of the ancestors of modern humans were as brainy as believed remains a matter of contention.
We have had a profound impact on our planet, but what would happen if we all simply disappeared ?
China has announced that it will be attempting to land humans on the Moon before the end of the decade.
Prof Clayton Magill and his team have discovered evidence of fire use by early humans on the continent.
Need an extra hand at work ? Before too long, you might actually be able to get one... quite literally.