Astronaut Peggy Whitson became NASA's astronaut with the most time in orbit Monday. She's seen here earlier this year in the Quest airlock of the International Space Station with fellow astronauts aboard the International Space Station.
Bill Nye the Science Guy arrives to lead scientists and supporters down Constitution Avenue during the March for Science on Saturday in Washington, D.C. The event is being described as a call to support and safeguard the scientific community.
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This long-exposure photograph taken on April 23, 2015, on Earth Day, shows Lyrids meteors shower passing near the Milky Way in the clear night sky of Thanlyin, Myanmar.
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You may be tempted to save a piece of a moldy loaf by discarding the fuzzy bits. But food safety experts say molds penetrate deeper into the food than what's visible to us. And eating moldy food comes with health risks.