Three university students in Santiago, Chile have developed a plant-powered device to charge their mobile phones.
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.
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.
Back in 1969, it was the Apollo 11 crew who flew to the moon in a spaceship.
A court in Brazil Thursday suspended the messaging service WhatsApp for 48 hours.
Humans need less sleep than other mammals, yet their slumber is more efficient, said researchers at Duke University in North Carolina.