Over its history the Earth has seen an incredible diversity of life - maybe as many as fifty million species.
The auroras appear mostly green, as high energy particles hitting the Earth's atmosphere cause the air to glow as electrons resettle into their oxygen hosts.
Nobody knows when the next galactic supernova might occur, but thanks to the development of massive neutrino detectors, we would have an "unprecedented peek at the action."
With the goal of developing cheaper drugs for humans, Chinese scientists injected pig embryos with DNA from a jellyfish.
In order to better visualize the Martian moon Phobos, images from the European Space Agency's Mars Express orbiter have been combined to create a virtual rotation movie.
Jesus and Buddha both embraced the philosophy of love your enemy.
According to computer scientist Jaron Lanier, the right way to understand the famous "Turing Test" is to understand that it "began in the mind of somebody who was very close to suicide."
If you disregard the original intentions of Bach and the intentions of the church authorities who commissioned his music, you are missing the most subversive element of Bach—his independence of spirit, his humanism.
Using photo mosaics and elevation data from Lunar Reconnaissance Orbiter (LRO), this video commemorates the 45th anniversary of Apollo 8's historic 1968 flight by recreating the moment when the crew first saw and photographed the Earth rising from behind the Moon.
Nicholas Negroponte talks about the failings of the current education system and the need for a more nuanced and personalized approach that teaches students how to learn.
Scientific advances are coming fast and furious, and so it is becoming increasingly important to become familiar with aspects of genomics that will impact routine medical care in profound ways.
Paul Allen talks about the process of tackling humanity's greatest challenges through the collaboration of great minds.
Vint Cerf, one of "the fathers of the Internet," discusses one of the unintended consequences of his creation - the erosion of privacy.
A million-year natural process takes minutes in the lab.
Chinese state television released this video of the Chang'e-3 space probe landing on the Moon, the first soft-landing in three decades.