The original Americans came from Siberia in a single wave no more than 23,000 years ago, at the height of the last Ice Age, and apparently hung out in the north – perhaps for thousands of years – before spreading in two distinct populations throughout North and South America, according to a new genomic analysis. […]
New close-up images of a region near Pluto’s equator reveal a giant surprise: a range of youthful mountains rising as high as 11,000 feet (3,500 meters) above the surface of the icy body. The mountains likely formed no more than 100 million years ago — mere youngsters relative to the 4.56-billion-year age of the solar […]
Astronomers usually spend their time contemplating the heavens above. But one group of dedicated stargazers has challenged the community to look instead to the future, envisioning the tools for generating more celestial discoveries. On July 6, a team of astronomers proposed a new type of mission to crack some of the universe’s most intriguing mysteries […]
They’re a fascinating pair: Two icy worlds, spinning around their common center of gravity like a pair of figure skaters clasping hands. Scientists believe they were shaped by a cosmic collision billions of years ago, and yet, in many ways, they seem more like strangers than siblings. A high-contrast array of bright and dark features […]