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.
Video Ad Feedback
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
Space 16 videos
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.
Video Ad Feedback
Everything you wanted to know about the solar cycle
02:53
Now playing
- Source: CNN Business
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)
Video Ad Feedback
Why record-setting astronaut was told to 'keep your mouth shut' upon returning to Earth
01:38
Now playing
- Source: CNN
nasa asteroid 2 vpx
Video Ad Feedback
Astrophysicist explains why NASA milestone is 'incredible'
03:15
Now playing
- Source: CNN
Crew-6 undocks from the International Space Station on September 3.
Video Ad Feedback
See moment 4 astronauts undock from ISS
01:27
Now playing
- Source: CNN
ufo sighting
Video Ad Feedback
This is a sign the Pentagon is taking UFOs seriously
01:53
Now playing
- Source: CNN
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.
Video Ad Feedback
Here's what the next Mars helicopter will look like
02:53
Now playing
- Source: CNN Business
artemis ii crew
Video Ad Feedback
CNN speaks with Artemis II crew
03:17
Now playing
- Source: CNN
Kaku
Video Ad Feedback
Professor breaks down why Earth's inner core may have stopped
03:33
Now playing
- Source: CNN
A view of Dimorphos as the DART spacecraft hurtled towards it on Monday, September 26.
Video Ad Feedback
'We have impact': DART successfully alters orbit of asteroid
01:09
Now playing
- Source: CNN Business
nasa telescope images
Video Ad Feedback
'Just moved me': NASA in 'awe' of new images
02:19
Now playing
- Source: CNN
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)
Video Ad Feedback
See Artemis I rocket launch
01:29
Now playing
- Source: CNN Business
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.
Video Ad Feedback
Stunning image shows result of two galaxies colliding
02:11
Now playing
- Source: CNN
black hole audio nasa new day
Video Ad Feedback
Eerie audio is what a black hole sounds like, NASA says
01:54
Now playing
- Source: CNN
NASA Venus images
Video Ad Feedback
See the first images of the surface of Venus
01:41
Now playing
- Source: CNN Business
tyson vpx
Video Ad Feedback
Neil deGrasse Tyson explains what NASA's discovery means for life beyond Earth
01:14
Now playing
- Source: CNN
02 SpaceX-Axiom AX-1 return splashdown 0425
Video Ad Feedback
Watch SpaceX and Axiom land first civilian crew back on Earth
01:25
Now playing
- Source: CNN Business