Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Researchers discovered a new field of ancient tektites in South Australia, revealing a long-forgotten asteroid impact. These ...

New X-ray observations reveal Betelgeuse’s mysterious companion is not a collapsed stellar remnant but a young, Sun-like ...

Astronomers using the James Webb Space Telescope (JWST) have made a rare and groundbreaking discovery. For the first time, ...

There are few things more tragic than the extinction of an entire species, but the end of the Pinta Island tortoise hits ...

Astronomers spot a red supergiant star hidden in dust just before it exploded, solving a long-standing mystery about missing ...

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Some habitable worlds orbiting dead stars could be kept alive for aeons thanks to a quirk of Einstein’s theory of gravity ...

World leaders and environmental advocates paid tribute Wednesday to renowned British chimpanzee expert Jane Goodall after she died at the age of 91. "Jane Goodall's legacy will be forever celebrated," ...

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FORT LAUDERDALE — Jerrold Pough clutched a stuffed Build-a-Bear in a Batman costume tightly, cherishing it because when he pressed its right hand, it played a recording of his 3-year-old grandson ...