The lush, tropical regions of Central and South America have long dazzled scientists with their plant diversity. These ...

Ancient humans in Africa changed their behaviour in a major way 70,000 years ago, which could explain how their descendants ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

Johns Hopkins APL and Blue Canyon Technologies have collaborated on agile, reliable space solutions for government sponsors, ...

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that were ...