In a jaw-dropping moment of astronomical photography, Arizona-based astrophotographer Andrew McCarthy has captured the ...

A massive solar windstorm in 2017 compressed Jupiter's magnetosphere "like a giant squash ball," a new study reports.

Ball Aerospace & Technologies Corp. has submitted its mission concept study to NASA for demonstrating solar electric propulsion (SEP) technologies in space.

Astronomers have spotted a mysterious pair of icy balls in a remote region of the Milky Way, and they're unlike anything they've ever seen before.

On Aug. 21, a total solar eclipse will cross the U.S. from Oregon to South Carolina. Ninety-eight years ago today, another total solar eclipse changed the world by helping to confirm Einstein's ...

The sun's solar wind effects the Earth every day, from auroras to satellite disruption. Scientists at UW-Madison have built a miniature sun they call the Big Red Ball. While not a substitute for ...

You can't stare at the sun, so how do you watch an eclipse? By reflecting it off of a disco ball, a team of astronomers suggests.

A giant solar eruption belched hot plasma into space, sending the contents of the solar prominence 2.2 millions out into space.

Gigantic balls of warm mud, hurling through space, were likely the building blocks of our solar system. Scientists previously believed that rocky asteroids were responsible for bringing water and ...

(Image credit: Takashi Shimonishi/Niigata University) Astronomers have spotted a mysterious pair of icy balls in a remote region of the Milky Way, and they're unlike anything they've ever seen before.

Then come the yellow space balls -- cocoons incubating the young stars -- and lastly come the giant expanding clouds of green gas blown off by the new stars.

Ball Aerospace & Technologies Corp. is one of five companies that will develop mission concepts for demonstrating solar electric propulsion in space, important for NASA’s future deep space human ...