Listen to five thought-provoking perspectives from world renowned physicist Stephen Hawking, who has died at the age of 76.
Image copyright NASA/JPL-Caltech/SSI Image caption Easy to sample: Jets of water spew from the south pole of Enceladus. Saturn’s ice-crusted moon Enceladus may now be the single best place to go to look for life beyond Earth. The assessment comes on the heels of new observations at the 500km-wide world made by the Cassini probe. […]
Image copyright Getty Images Image caption The great white shark is the most misunderstood fish in the world “When you’re on top of the water, and you just see the fin, I think it’s more scary because it’s the unknown. But when you are underwater and you see the shark it is much less scary. […]