The upcoming partial solar eclipse on March 29 is the perfect time to watch the moon hide and then reveal dark patches on the ...

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 ...

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 ...

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

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

CAPE CANAVERAL, Fla. (AP) — NASA astronauts Butch Wilmore and Suni Williams have returned to Earth after being stuck in space ...

CAPE CANAVERAL, Fla. (AP) — A private lunar lander has captured the first high-definition sunset pictures from the moon.

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.

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