A massive filament eruption on the sun carved out a ~250,000-mile-long (~400,000 km) 'canyon of fire'. See time-lapsed ...

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare. See at time-lapse of ...

The sun’s current 11-year activity cycle has already peaked—but extreme outbursts from our star may still be in store ...

For the first time ever, astronomers have spotted a powerful coronal flare (cme) from a star other than the Sun.

For the flu, vaccination trends are a little muddier. Some sources have suggested flu vaccinations are down. Over two million ...

Cosmic rays are high-energy particles that constantly bombard Earth from space and are influenced by the sun's magnetic ...

Indonesian authorities say they are helping more than 170 climbers caught by Mount Semeru’s sudden eruption to return to safety ...

Indonesian authorities have raised the alert for Mount Semeru volcano to the highest level after a series of eruptions prompted evacuations ...

NEW DELHI -Researchers led by Aryabhatta Research Institute of Observational Sciences (ARIES) have developed a method to ...

Maryland’s long-running investment in the Orioles and Ravens raises questions about whether the statewide benefits of professional teams match their reputations.

Growing up in a small town in Pennsylvania, astronomy and physics Prof. Michael Smutko could see the Milky Way alongside ...

It is one of the most captivating images of the year. A photo that highlights incredible planning and precision. If you haven ...