After last week's explosive X-flare, sunspot AR4046 is at it again! Could this latest eruption bring stormy space weather to ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

Near real-time preliminary data from NOAA's first Compact Coronagraph (CCOR-1), a powerful solar telescope onboard the ...

A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South ...

A 2014 satellite image captured a rare glimpse of a massive, eerily circular ring of clouds that formed slap-bang in the ...

Space experts are watching a sunspot region known as AR4046 which recently produced a significant solar flare and coronal mass ejection that had the potential to be as significant as the solar storm ...

Auroras are possible over the U.S. tonight (March 25) as a "moderate" geomagnetic storm hits Earth. UPDATE: The Northern ...

Aurora chasers are on high alert for geomagnetic storm conditions overnight with northern lights possible at mid-latitudes.

As the sun reaches its solar maximum, a strong solar flare erupted on March 28, which may enhance the visibility of the ...

Carbon dioxide (CO2) is the greenhouse gas responsible for most of the warming attributable to such gases, according to NOAA's Earth System Research Lab, which also measures carbon dioxide levels ...