The SpaceX CEO seems confident that Starship will be ready to carry humans to Mars in the very near future.
The Moon is seen as a 'stepping stone' to sending humans to Mars - but could we realistically skip it ?
Could comet-dwelling trees provide safe, habitable 'bubbles' of life that travel through the cosmos ?
It looks as though we're going to be waiting a little bit longer to see humans walking on the surface of the Moon.
Footprints left 1.5 million years ago show that two distinct relatives of modern humans would have co-existed.
Biologist Prof Tim Coulson has suggested that one species in particular has the potential to dominate the planet.
Humans have long held superstitious beliefs concerning animals that are pure black or pure white in color.
The faster you can get a crew to Mars, the better - but conventional propulsion systems may not be up to the task.
Scientists recently figured out how to make mice transparent - but could the same thing really be done in humans ?
Creating a colony on Mars would not only be technologically challenging, but also biologically taxing as well.
Inducing 'hypersleep' could help patients with critical injuries or illnesses, among other potential uses.
A detailed analysis of recently discovered fossils has revealed more about these enigmatic pint-sized humans.
Humans may simply be unable to survive long term on other planets without a bit of genetic tinkering.
Animal behaviorist Grace Carroll takes a look at the reason why cats seem to like meowing at us.
Scientists now believe that elephants, like humans, have assigned names that they use when calling one another.
Could the Internet be already filled with more AI-generated content than material actually written by humans ?
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.