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What is Earth's Average Temperature?

Earth is the only planet in our Solar System where life is known to exist. Note the use of the word “known,” which indicates that our knowledge of the Solar System is still in its infancy, and the search for life continues. However, from all observable indications, Earth is the only place in our Solar System where… »8/27/15 11:20am8/27/15 11:20am

The James Webb Space Telescope Looks Like Gold Plated Space Origami

When it launches in October 2018, the James Webb Space Telescope will become the largest optical telescope in space. With its 6.5 meter wide mirror, it will gather infrared light from up to 13.5 billion light years away, giving astronomers a look at the earliest moments of the universe. But the mirror is too big to… »8/23/15 1:00pm8/23/15 1:00pm

The Newly Proposed High Definition Space Telescope Makes Hubble Look Like a Toy

The James Webb Space Telescope (JWST), which will be “in many ways a hundred times” more capable than Hubble, isn’t launching until 2018, but already astrophysicists are thinking about its successor. They’re calling it the High Definition Space Telescope (HDST). That’s it on the far right, towering over both its… »8/14/15 11:59am8/14/15 11:59am

Explore the Surface of Mars With NASA's Latest Web Tools

Most of us will never set foot on Mars, but thanks to NASA’s unceasing public outreach campaign, now we can all imagine what that might be like. To commemorate the three year anniversary of the Curiosity rover’s Martian landing, NASA has unveiled two new web tools that allow you to explore the Red Planet’s surface and… »8/08/15 11:00am8/08/15 11:00am