Ancient reptile footprints upend theories about when animals evolved to live on land

Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after the first animals emerged from the ocean around 400 million years ago, they evolved the ability to live exclusively on land much faster than previously assumed. “We had thought the transition from fin to…

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How much damage did the L.A. wildfires cause? After Trump admin cuts, a crucial estimate is missing

The Los Angeles wildfires were still smoldering when President Donald Trump began reversing Biden-era directives for federal agencies to tackle the climate crisis. January fire weather conditions driven by climate change had helped fuel the Palisades and Eaton wildfires, which razed almost 40,000 acres of land and destroyed tens of thousands of homes across L.A….

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NASA’s Webb Space Telescope captures bright auroras on Jupiter

Jupiter’s dazzling auroras are hundreds of times brighter than those seen on Earth, new images from the James Webb Space Telescope reveal. The solar system’s largest planet displays striking dancing lights when high-energy particles from space collide with atoms of gas in the atmosphere near its magnetic poles. Jupiter’s auroras and Earth’s Northern and Southern lights are all powered…

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Chimpanzees use some features of language to talk to each other

New research suggests wild chimpanzees have developed a far more nuanced communication system than previously realized, using several mechanisms that combine their vocalizations to create new meaning. These elements of chimpanzee communication, described in a study published Friday in the journal Science Advances, resemble some of the fundamental building blocks of human language. Scientists analyzed…

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