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

Solar flares are classified based on their strength and fall into five designated categories: A, B, C, M and X. An X-class solar flare is the most intense type of solar flare and can produce as ...

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

If using a regular camera, National Geographic recommends using a wide-angle lens, an aperture or F-stop of four or less and ...

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

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

According to NOAA's Space Weather Prediction Center, a fast, energetic flow of solar particles is about to sweep past Earth.

A period of peak magnetic storms on the sun could lead to another show of northern lights on Earth on Saturday and Sunday, ...

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

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