Science

NASA's Cassini spacecraft has been orbiting Saturn for thirteen years, gathering data about the planet, its many unique moons, and its mysterious rings. Now it is poised to make a final dive into the planet's atmosphere. What have scientists learned from this extraordinary mission?

With less computing power than a smartphone, the Voyager spacecraft have traveled more than twenty-two billion miles between them, carrying a Golden Record documenting earth. Launched forty years ago, the Voyager mission is the first human-made object to reach interstellar space.

Did you watch the solar eclipse yesterday? Test your knowledge of the 2017 eclipse and general solar eclipse knowledge here, as you bask in the afterglow of the amazing event.

It's been almost four decades since the last one, and another won't happen until 2024: the first total solar eclipse to pass over the lower 48 states since 1979 is a big deal – you don't want to miss it. Find live feeds and other resources from PBS stations across the country.

On August 21, the first total solar eclipse since 1979 that can be seen in the lower 48 states will cross America. In Chicago, we'll see 87% of the sun covered. The Adler Planetarium shares tips and fun facts about eclipse: "Pictures don't do it justice."

The executive producer of a new IMAX film about a naturalist integral to the theory of evolution talks about Bates's contribution and the importance of science education and film's use in it.

NOVA: Poisoned Water investigates what caused the water crisis in Flint, Michigan. "Our water infrastructure is more fragile and more vulnerable than we realize,” says filmmaker Llewellyn Smith. 

Wednesday, April 26 at 10:00 pm, dive into tornadoes, avalanches, and fire whirls with "Wild Weather." You can explore the same phenomena in a Museum of Science and Industry exhibit - "Not everyone has a four-story tornado."

75 years ago on December 2, scientists at the University of Chicago inaugurated the nuclear era by engineering the first self-sustaining nuclear chain reaction. Learn about the origins of nuclear power and the upsides and downsides of its future.

"The Great Train Story" at the Museum of Science and Industry is a beloved stalwart of the museum. Meet the man who maintains it in advance of a NOVA episode on "Why Trains Crash," airing February 22 at 9:00 pm.

Personal butlers, in-suite spas, prints by Chagall and Picasso, hand-blown Murano glass: this is a cruise at its most luxurious.