Over 500 Million Years Ago, Early Vertebrates Had Four Eyes That Could See 360 Degrees: During the Cambrian, when evolution was experimenting all sorts of strategies, early vertebrates may have had four eyes, and they were high-res eyes, too.
How a little-known loophole lets corporations own space | Luxembourg — one of the world’s smallest nations — has positioned itself at the forefront of asteroid mining. But it throws up all sorts of questions, such as "who can lay claim to an asteroid?"
Astronomers discover origins of mysterious double hot Jupiter exoplanets: 'It is a dance of sorts'
