NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.

Sunspot region 4114 has unleashed its most powerful solar flare yet — an X1.9 class that erupted late June 19, triggering shortwave radio blackouts across the Pacific Ocean, including parts of Hawaii.

Our sun is classified as a G2 medium-sized star. We believe it’s about four billion, 600 million years old, halfway through its lifetime. It burns four million tons of hydrogen every second. The sun ...

ESA’s Proba-3 mission has achieved a spacefaring marvel: two satellites flying in perfect formation to mimic total solar ...

Planting trees can help save the planet, right? A new study finds that to offset all the planet-warming carbon emissions from ...

Brazilian Catholic worshippers have laid down an eco-friendly carpet in front of the world-famous Christ the Redeemer statue ...