NASA has begun a two-day practice countdown for its first moonshot with astronauts in 53 years. The dress rehearsal that ...

When people speak of the northern lights, they are typically referring to Earth’s spectacular display of aurora borealis: ...

NASA Solar Dynamics Observatory (SDO) captured an enormous coronal hole the sun. Credit: NASA / SDO and the AIA, EVE, and HMI ...

"The reason we are seeing them so far south and with so much intensity is that as the sun reaches its maximum activity it ...

The time it takes for the sun to completely rotate depends where on the sun you are measuring.

This will be the first time humans have embarked on a journey towards the moon since 1972 when Apollo 17 completed the manned ...

In a groundbreaking effort to study the Sun up close, NASA’s Parker Solar Probe has captured unprecedented data on the source ...

NASA’s Solar Dynamics Observatory captured an X2.8-class solar flare and a pair of m-flares that preceded it in multiple ...

Ahead of the anticipated launch of the Artemis II mission, catch a glimpse of February’s full moon, called the snow moon.

That will be a partial solar eclipse where the moon will block 70% of the sun from view. A rare planetary parade will march across the sky on Saturday, Feb. 28, according to NASA. Venus, Mercury, ...

The big astronomical event in February is a rare “planetary parade,” according to NASA. You’ll be able to see Mercury, Venus, ...

Sunspot AR3234 blasted an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...