A massive coronal hole on the Sun is sending solar wind toward Earth, increasing aurora visibility in higher latitudes.

Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

"The climate of this planet is extreme and nothing like that of Earth. The planet's dayside is so hot that elements typically thought of as 'metal' are vaporized into the atmosphere." ...

This week in Philly music is packed with cool shows in small- to medium-sized spaces around town that underscore the richness ...