It had a built-in weapon.
Help them help us.
Scientists make a stance by marching for science and wildlife.
This could have been going for decades but scientists are worried nevertheless.
Researchers have described the first case of ‘river piracy’ — a river disappearing after an intense glacial melt.
Homing pigeon have their own form of cumulative culture passing down information about routes do their peers.
No more fans for us!
They were thought to have gone extinct way before.
An unexpected crack has emerged across a giant Greenland glacier, raising concerns that a big chunk of the glacier might splinter off into the ocean.