Photographer extraordinaire Don Pettit is about to return to Earth following a seven-month stay aboard the space station. Take a moment to enjoy his best work.

Two images of the Sun from August 31, 2012, taken by the Solar Dynamics Observatory show prominences and filaments, one of which erupts from the lower left region of the Sun, becoming a coronal mass ...

The northern lights were visible farther south than normal Tuesday, April 15, and they'll be visible again for some residents ...

The northern lights, also known as the aurora borealis, could be visible across 18 US states on Wednesday night into Thursday ...

The northern lights are gearing up for an encore. Here's which states can catch another glimpse of the colorful light display ...

The northern lights revealed themselves to a handful of states Wednesday, but if you missed out, you still have a chance to catch a glimpse tonight.

Experts online are expecting an "exceptionally strong" aurora to affect the Northern Hemisphere tonight (Wednesday, April 16) ...

Unfortunately for Texans, the northern lights won’t be visible this time. Here's which states have the best view of the ...

A geomagnetic storm will likely disrupt Earth’s magnetic field after a recent burst of energy from the sun’s surface, pulling the northern lights to several states in the northern U.S. Wednesday night ...

Pettit actively shared his experiences from the ISS via social media with a series of striking images and time-lapse videos.

Don Pettit, NASA's oldest astronaut, is set to return from space on April 19, his 70th birthday. Mr Pettit, currently aboard ...

According to NOAA, people in Canada and parts of the northern U.S. may have a chance to see the northern lights on the nights ...