Hungry scent detection dogs more likely to 'cry wolf'

Dogs trained in scent detection may be better at sniffing out the right smell after breakfast, with new research finding hungry dogs working for treats are more likely to falsely identify the wrong scent. The study, led by ...

Mercury is shrinking more than we thought

Mercury's surface is riddled with wrinkles, evidence of a once-larger planet that has shrunk over time. A new study finds that Mercury may have contracted 10% to 30% more than previously thought—a loss of nearly 12 miles ...

How two satellites are studying hurricanes during El Niño

In November 2025, NASA and its European partners launched the Sentinel-6B satellite to improve hurricane forecasts, help protect infrastructure and benefit commercial industries, including shipping. The satellite is now flying ...

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