Can humans endure long-term living in deep space? The answer is a lukewarm maybe, according to a new theory describing the complexity of maintaining gravity and oxygen, obtaining water, developing ...

Anybody who has seen me walking with a cane knows that I'm not exactly a spring chicken. Some might joke that my social life is an example of carbon dating. As an aging example of Homo sapiens, I'd ...

How does an ecosystem distribute its energy across body sizes? A new study suggests the answer depends on where you are—and how much humans have altered the landscape. Analyzing communities of birds ...

In nature, ecosystems are tightly linked through the flow of organisms, detritus, and nutrients across boundaries arbitrarily imagined by humans. These systems are deeply in tune with seasonal changes ...

Taken together, the fossils show that major natural disruptions were reshaping New Zealand's wildlife well before humans ...