Mars hides a story carved by wind, fire, and impact. These photos reveal the scars of a planet shaped by violence.

The a nuclear-powered Russian icebreaker and the French-flagged "Le Commandant Charcot," a cruise ship are the only ships ...

Scientists have finally confirmed that Earth is wrapped in a subtle but global electric field, a planetary-scale energy ...

When the weather turns foul and outdoor adventures are off the table, the spirit of the national parks doesn’t have to vanish ...