Science

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Jul 31

It's a T-shirt kind of day in Washington, DC: 85 degrees with 63 percent humidity. We all know those numbers mean hot, but what exactly does that humidity percentage tell us? And why should we care? Below, some facts on…

Jul 24

Running elk ragged just to get their antlers

Washington and Oregon have imposed rules to make sure that “shed hunters” don’t harm elk and deer. But not everyone follows those rules. Instead, some shed hunters cruelly endanger the health of deer and elk so they can be the…

Shortly after the July 14 flyby of Pluto and its moons, we spoke with three members of the New Horizons mission team: Alice Bowman, the mission operations manager, and Cathy Olkin and Kimberly Ennico-Smith, deputy project scientists. Editor's note: Women…