Mercury astronaut John Glenn was 77 when he returned to orbit on a short shuttle flight in 1998. But he’d been gone from NASA ...

The first bits of data have come back from the trio of small satellites that make up NASA's EZIE (Electrojet Zeeman Imaging ...

What's the difference between a solar flare and a coronal mass ejection? And how do they lead to auroras?

The Inouye Solar Telescope just activated its most powerful instrument, VTF—a massive precision tool designed to unveil the ...

The world's largest solar telescope has reached an important milestone. The data published now were obtained during the technical commissioning of the instrument.

In every scientific discovery in the movies, a scientist observes something unexpected, scratches the side of his or her ...

James Webb Space Telescope Sees Jupiter's Rings, Moons and Auroras Credit: Space.com | imagery courtesy: NASA, ESA, Jupiter ...

The Northern Lights or aurora borealis may be visible in the U.S. this week due to a coronal hole and a "co-rotating ...

Auroras are natural light displays that occur when charged particles from the sun interact with Earth’s magnetic field and ...

The northern lights may be visible as far south as Idaho, New York and South Dakota following strong solar storm activity.