The moon passes the sun during a solar eclipse on Monday in Ste. Genevieve, Mo. Eric Lee/STLPR hide caption
Solar eclipse 2024 The next total solar eclipse in the United States is August 23, 2044.
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Solar Eclipse
The next total solar eclipse in the United States is August 23, 2044.
Eclipse glasses are worn by a statue of George Washington on Sunday in Houlton, Maine. Joe Raedle/Getty Images hide caption
People gather to watch the total solar eclipse at Parc Jean Drapeau, in Montreal, Monday. Ryan Remiorz/AP hide caption
Junior Espejo looks through eclipse glasses being handed out by NASA in Houlton, Maine. Used correctly, eclipse glasses prevent eye damage. Joe Raedle/Getty Images hide caption
Amos Yew, right, uses a lens on an iPhone to record video in the first stages of the total solar eclipse Monday August 21, 2017 in Madras, Oregon. AFP Contributor/AFP via Getty Images hide caption
A road sign in Lackawanna, N.Y., advertises the upcoming eclipse on Monday. Adam Gray/Getty Images hide caption
A woman puts on special glasses to see the eclipse on Monday in Mazatlán, Mexico. Many people have flocked to the seaside area to catch a glimpse of the total solar eclipse. Hector Vivas/Getty Images hide caption
Amy Nickell with Dallas Arboretum helps Dani Turin, 5, look down the ruler at the sun and the moon to see the perspective of the eclipse Monday at Dallas Cotton Bowl Stadium. Yfat Yossifor/KERA hide caption
Hundreds of balloons are being launched into the path of the eclipse as part of a program to educate students. Meredith Rizzo for NPR hide caption
A person uses a pair of binoculars to watch the moon pass infront of the Earth's star marking a total eclipse in Vigo, northwestern Spain on March 20, 2015. MIGUEL RIOPA/AFP via Getty Images hide caption
Round Rock Public Library in Round Rock, Texas, used disco balls to project the annular eclipse of October 2023, and recommends people try it for themselves on Monday. This one projected images across the garden, through the windows and onto the walls and ceiling of the 2nd floor. Andrea Warkentin hide caption
Storms moving across the United States will make it hard for eclipse chasers to get a clear view of totality — the moment when the moon fully blocks the sun, creating a brilliant crown-like effect. Mark Humphrey/AP hide caption
A group of children don eclipse glasses to watch the 2017 solar eclipse at Grand Tetons National Park in Wyoming. VW Pics/Universal Images Group via Getty Images hide caption
A lot of kids got to see the last total eclipse. What they remember may surprise you
A dog tries on eclipse sunglasses in London in 2015. Experts say pets don't need eclipse sunglasses — in fact, quite the opposite. Kirsty Wigglesworth/AP hide caption
Visitors look through a pair of oversized eclipse glasses set up in the town square on Sunday in Houlton, Maine. Joe Raedle/Getty Images hide caption
From left: didn't stop, can't stop, won't stop Leon Neal/Getty Images; Ronaldo Schemidt/AFP via Getty Images; David Becker/Getty Images hide caption
Dancers perform as a solar total eclipse occurs in Matantimali, Central Sulawesi on March 9, 2016. OLA/AFP via Getty Images hide caption
A woman views the solar eclipse in the first phase of a total eclipse in Grand Teton National Park on August 21, 2017 outside Jackson, Wyoming. George Frey/Getty Images hide caption
Once in a lifetime? A 104-year-old recalls Vermont's solar eclipse of 1932
The moment of totality during a solar eclipse in Glendo, Wyo., on Aug. 21, 2017. John T. Meader hide caption
Diamond ring effect as seen from Scottsville, Kentucky during the 2017 total solar eclipse. Philip Yabut/Getty Images hide caption