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Researchers in the Gulf of California have documented a dramatic orca behavior never described before. In two separate encounters, one orca gripped a dead sunfish by the fin while another charged into it at high speed, blasting the carcass into ...

A global shift toward healthier diets could sharply reduce livestock farming, free up agricultural land, and cut emissions from land-use change by 85% by 2050. At the same time, fruit, vegetable, nut, and legume production could soar, creating a ...

Scientists may be able to reliably forecast Antarctic ice loss through the middle of this century, offering governments a vital head start on sea level rise. After that, unstable ice retreat could accelerate dramatically, making the future much ...

Researchers found that specific brain circuits help decide which jobs bees perform as they age. When those circuits were switched off, older worker bees began caring for the queen again instead of carrying out their normal later-life duties. The ...

Ancient fern savannahs may have transformed parts of Europe into a wildfire-prone inferno during the end-Triassic mass extinction. New fossil evidence suggests the ferns repeatedly regrew after fires, creating fresh fuel that helped prolong the ...