Glaciers retreat in Alaska, two tropical storms harass Hawaii and dust covers the Red Sea.
Here are six ways humans are permanently changing the deep Earth, from mining to underground nuclear testing.
A funny thing happened on the way to making a semiconductor.
Here are some recent striking images of our planet from the Web.
See how climate change is causing tropical fish to devour undersea forests and the migration of birds. Plus more of our favorite recent Earth shots.
45 years ago today, Apollo 11 lifted off to make an attempt at landing on the moon. Explore the first part of Armstrong, Aldrin and Collins' mission as they orbited Earth and coasted in the direction of the moon.
Ten years after arriving at the majestic gas giant, Cassini has profoundly transformed our understanding of Saturn's dynamic atmosphere, rings and moons. Here are some highlights from Cassini's tenth year.
Enjoy some of the most inspiring, beautiful and down-right stunning photos from our adventures in space this past week.
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