Everything you wanted to know about the solar cycle
The solar cycle describes the sun's eleven-year rotation in activity. CNN explains everything scientists know about it, and what they are still trying to learn.
02:53 - Source: CNN Business
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Visible light images from NASA's Solar Dynamics Observatory highlight the appearance of the Sun at solar minimum (left, Dec. 2019) versus solar maximum (right, July 2014). During solar minimum, the Sun is often spotless. Sunspots are associated with solar activity, and are used to track solar cycle progress.
Everything you wanted to know about the solar cycle
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Expedition 69 NASA astronaut Frank Rubio is helped out of the Soyuz MS-23 spacecraft just minutes after he Roscosmos cosmonauts Sergey Prokopyev and Dmitri Petelin, landed in a remote area near the town of Zhezkazgan, Kazakhstan on Wednesday, Sept. 27, 2023. The trio are returning to Earth after logging 371 days in space as members of Expeditions 68-69 aboard the International Space Station. For Rubio, his mission is the longest single spaceflight by a U.S. astronaut in history. Photo Credit: (NASA/Bill Ingalls)
Why record-setting astronaut was told to 'keep your mouth shut' upon returning to Earth
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Astrophysicist explains why NASA milestone is 'incredible'
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Crew-6 undocks from the International Space Station on September 3.
See moment 4 astronauts undock from ISS
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This is a sign the Pentagon is taking UFOs seriously
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NASA's Ingenuity Mars helicopter is seen here in a close-up taken by Mastcam-Z, a pair of zoomable cameras aboard the Perseverance rover. This image was taken on April 5, the 45th Martian day, or sol, of the mission.
Here's what the next Mars helicopter will look like
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Professor breaks down why Earth's inner core may have stopped
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A view of Dimorphos as the DART spacecraft hurtled towards it on Monday, September 26.
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TOPSHOT - Spectators watch as the Artemis I unmanned lunar rocket lifts off from launch pad 39B at NASA's Kennedy Space Center in Cape Canaveral, Florida, on November 16, 2022. - NASA's Artemis 1 mission is a 25-and-a-half day voyage beyond the far side of the Moon and back. The meticulously choreographed uncrewed flight should yield spectacular images as well as valuable scientific data. (Photo by Jim WATSON / AFP) (Photo by JIM WATSON/AFP via Getty Images)
See Artemis I rocket launch
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A large pink; speckled galaxy resembling a wheel with with a small; inner oval; with dusty blue in between on the right; with two smaller spiral galaxies about the same size to the left against a black background.
Stunning image shows result of two galaxies colliding
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See the first images of the surface of Venus
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Neil deGrasse Tyson explains what NASA's discovery means for life beyond Earth
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Watch SpaceX and Axiom land first civilian crew back on Earth
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