NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.

Crater Lake, Oregon’s sapphire gem, stuns with its depth, clarity and volcanic origins — an unforgettable natural wonder.

This colorful image of the Helix nebula may mirror what someday could become of our sun and our home planet. Released on ...

These stunning photos give a bird's-eye perspective on our extraordinary planet, making ordinary places look like ...

Want to unplug, avoid the crowds, and find a few moments of Zen? These destinations are sure to soothe your soul.

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.