One of the biggest unanswered questions in solar physics may have gained an unexpected new lead. Researchers analyzing ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Parker Solar Probe is about to make its closest approach to the sun. The spacecraft will fly within 3.8 million miles of ...

NASA Solar Dynamics Observatory captured a M7.9-class solar flare. See footage of the blast in multiple wavelengths. Credit: ...

The Parker Solar Probe signaled to operators that it was still operating normally after traveling within 3.8 million miles of the Sun’s surface on Christmas Eve. The Parker Solar Probe signaled to ...

The total solar eclipse next month will only be visible in some parts of the world. Here's what we know.

Thanks to the sun, we're in the middle of the best time to see the northern lights — and maybe the worst time to be a satellite. NASA announced Tuesday that the sun is in the "maximum phase" of its 11 ...

NASA's pioneering Parker Solar Probe is poised to make its closest-ever approach of the sun on Christmas Eve, a record-setting 3.8 million miles (6.2 million kilometers) from the surface. Launched in ...

On December 24, NASA’s Parker Solar Probe attempted to “touch” the sun and emerge unscathed. The closest approach ever made by a human-made object to our nearest star saw the spacecraft come within ...

The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

Solar eclipses are always an incredible spectacle to those lucky enough to be in their path, but will Chicago-area residents ...

Parker Solar Probe is humanity's first mission to a star.NASA/Johns Hopkins Applied Physics Laboratory The fastest human-made object is hurtling toward the sun at this very moment, approaching speeds ...