'Now I don't feel like I can sleep.'
They were around 3.5 billion years ago.
Best leave this expedition to Lara Croft!
This is the first time this behaviour has been observed in an actual descending tectonic plate.
Incredible story of how three astronauts survived after getting lost in space more than 50 years ago
Their oxygen was leaking into space.
He insists it's not a fetish.
It could be underwater by 2056.
Scientists claim your brain experiences a 'surge' in activity when you experience your final moments.
They've only ever been spotted 100 times.
It's also getting smaller over time.
Geologists made a fascinating discovery.
This is only the third piece of evidence for the civilisation having their own alphabet.
There is a unique way of accessing it.
These are some of the scariest places on Earth
He went to great lengths to prove a point.
Our planet is just a speck in space
Fitbit might have some competition
It would completely change the world as we know it
It shows how Earth is destroyed and what happens after us
So much of our planet's history was discovered in one single location.
The tribe have unusually large spleens that enable them to stay submerged.
It hints at the horrifying reality for those onboard the Titan submersible.
A picture truly shows a thousand words.
