Science enthusiasts are hoping to get a glimpse of a comet that’s supposed to be the brightest of 2025, but they may be out of luck depending on where they are in the world. The comet, known as C/2024 ...

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WASHINGTON — When the Quadrantid meteor shower peaks on Friday, it will be the year's first chance to see fireballs in the sky. A waning crescent moon means good visibility under clear and dark ...

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World-renowned climate activist Bill McKibben has good news: We now know how to catch the sun’s rays, giving us plentiful and inexpensive energy. This is faster than any energy transition in history — ...