A 41-year-old man was evaluated for swelling in the ankles and syncope. CT of the chest showed bilateral mediastinal and ...

There are two giant holes in the Sun right now which could create impactful space weather for Earth in early February.

Solar material is gusting out of the dark patch in the Sun's corona towards Earth at more than a million miles per hour.

An incredible video captured from the International Space Station shows an aurora from above, rippling with the unusual green ...

The effects of a coronal mass ejection—a bubble of plasma that bursts from the sun’s surface—will likely impact Earth’s ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

The agency expects a minor or greater geomagnetic storm—a disturbance of Earth’s magnetic field—on Saturday, which increases ...

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

NASA/SDO & AIA/EVE/HMI science team / SOHO (ESA & NASA) / GSFC / SWPC | edited by Steve Spaleta ...

A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), potentially triggering colorful auroras over the northern U.S.