Jupiter’s famous clouds aren’t ammonia ice but a murky mix of chemicals, sitting lower in the atmosphere than expected. For years, astronomers believed that Jupiter’s upper clouds — responsible for it ...

Many scientists have long thought that developing planets should resemble the swirling disk of gas and dust that births them.

The Valentine's Day northern lights will largely be visible in Canada and Alaska, but a few northern-most states may see the ...

Morgan Lynch was never actually going to open a bookstore. She and her husband joked about it for years. They weren't serious ...

A recent multi-institutional study spearheaded by NASA has revealed the most volcanic place we know of. The planet, coined L ...

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

Astrophotographer Andrew McCarthy has millions of fans worldwide who love the stunning images he captures and creates of the ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

NASA’s Juno spacecraft has uncovered an immense volcanic hot spot on Jupiter’s moon Io, surpassing any previously recorded ...

"The climate of this planet is extreme and nothing like that of Earth. The planet's dayside is so hot that elements typically ...