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Here are five tips to keep kids hydrated and avoid dehydration this summer in these triple digit temperatures.

On “NOVA: Chasing Pluto,” watch as the New Horizons spacecraft captures our first clear view of Pluto’s icy surface.

Meet the brilliant minds throughout history, from Galileo to Edwin Hubble, responsible for creating the telescope.

On “American Experience,” learn why humanity paused and looked skyward in 1969 to witness the impossible. Fifty years later, they pause once again.

When the Soviet Union falls, cooperative space exploration between former Cold War enemies is threatened by a run of disasters onboard.

Biting can be upsetting for parents and caregivers. Here’s what you should understand about why toddlers bite and how to react.

Rick Sebak travels across the Lincoln Highway, checking out the changing landscape along the route from Times Square to San Francisco.

On “Grantchester,” Cathy’s triumph at CeCe’s turns dark when a club manager is found dead and Alphy is found drunk at an illegal poker game.

Take off with Dook Chase on a culinary tour that showcases the rich food traditions of New Orleans as he visits the city’s legendary cuisine.

This landmark 4-part series tells the stories behind our quest in space exploration, offering a unique perspective on our changing world.