Astronomers track the sun's 11-year cycle by counting sunspots. Also, we're expecting a strong geomagnetic storm and aurora ...

NASA astronomers are also continuing to track sunspots that have appeared on the surface of the Sun. These sunspots are typically the starting place for massive solar flares like this X-class ...

NEW YORK (AP) — A NASA spacecraft will make another close brush with the sun, the second of three planned encounters through ...

The physical correlation of magnetic intensity and sunspots is clearly revealed when we fade back and forth between a filtered (i.e., white light) image of the Sun with a magnetic image ...

NASA astronauts Butch Wilmore and Suni Williams, who were stuck in space for more than nine months, are finally on their way ...

Solar maximum is declared when the number of sunspots peaks. Breaking space news, the latest updates on rocket launches, skywatching events and more! Scientists at NASA and the National Oceanic ...

NASA/Goddard Space Flight Center Caption This image was captured by the Solar Dynamics Observatory on March 10, 2012, at 12:29 p.m. EST in the 304 Angstrom wavelength.

The sun was well observed during the period of the Maunder Minimum and this lack of sunspots is well documented. This period of solar inactivity corresponded to a climatic period called the ‘Little ...

Cosmic trade route': Alpha Centauri and our Sun may be swapping space rocks 'Earth is in real danger': City-killer asteroid has a 1 in 32 chance of impact, says NASA 'A royal blunder': Sambar’s ...

NASA’s two stuck astronauts headed back to Earth with SpaceX on Tuesday to close out a dramatic marathon mission that began ...