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The more we learn about exoplanets, the more we realize the universe is stranger than we ever knew.

If you're looking for the right gift for the space nerd in your life, we've got you covered.

Getting excited about NASA's InSight lander touching down on Mars? We are, too! Here are some of the best books for young and old to read up about the Red Planet.

Check out our list of great space gifts for kids, featuring toys for those who love to build, explore or read great stories.

The Mercury program launched the first Americans into space, four on suborbital flights, and two who orbited the Earth.

Here's where to go to get your space shuttle fix in museums across the United States.

Earth has been sending probes to Mars for decades, and some missions are especially awe-inspiring.