Scientific American
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NASA’s Perseverance Rover Discovers a Rock That May Contain Alien Microfossils
Mysterious “leopard spots” on a Martian rock could be evidence of extraterrestrial life—or of mere lifeless chemistry. Finding out the truth may require bringing the rock back to Earth
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The CDC’s Test for Bird Flu Works, but It Has Issues
Flaws in the CDC's H5N1 test highlight the risks of relying on a single test supplier, some experts say
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Extreme Heat Kills Hundreds of Thousands Worldwide Each Year
Hundreds of thousands of people die from extreme temperatures every year, more than any other type of weather disaster
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Honeybees Defend Their Hive by Slapping Invading Ants
Japanese honeybees use their wings to slap back ants trying to invade their hive
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How to See Stars, Satellites, and More in the Daytime Sky
It’s possible to see celestial objects during the day, but it’s not always easy