Researchers at Virginia Tech University have been studying how dogs drink.
A huge percentage of bird species are in danger because their habitats, or homelands, are disappearing.
Three university students in Santiago, Chile have developed a plant-powered device to charge their mobile phones.
Drones are also being used to help animals in trouble of becoming extinct, or disappearing forever.
NASA scientists discovered water flows on the surface of Mars.
In South Africa, scientists found bones in a cave they say are a new kind of early human ancestor.
Drones made their way to our website and Facebook pages quite a few times.
Most recently, representatives from nearly 200 nations gathered in Paris to fight climate change.
One of the biggest changes coming down the road: the ability of cars to drive themselves.
Back in 1969, it was the Apollo 11 crew who flew to the moon in a spaceship.