The northern lights were spotted the night the 'Titanic' sank, and the solar storm that caused them may have contributed to the ship's demise.

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

Coronal holes in the Sun continue to send solar wind toward Earth, increasing the chances of Northern Lights across the northern U.S. this week, according to the latest space weather forecast.

I’m continuing my cold-weather adventure in the Canadian sub-arctic on the shores of Hudson Bay. Day three and the images I’m capturing of polar bears have been mind-blowing. On two different ...