Space agency is targeting Wednesday for the historic journey-its first to the moon in more than half a century.

The number 45 matters less than what it represents: the shift from open-ended discovery to structured search, and from chance ...

Making babies in space may be more complicated than expected, as new research shows sperm struggle to navigate in microgravity. Scientists found that while sperm can still swim normally, they lose ...

Sleeping on a challenge may actually work as scientists find dreams can help your brain rethink and solve tough problems overnight.

Norbert Tai Here’s the thing about New York that never gets old. Just when you think you’ve seen everything this city has to ...

Ballyhoo Curiosity Shop in Seattle is not one of those places, and thank goodness for that. Every surface tells a story in ...

Wild animals are not just inhabitants of the natural world. Many also act as natural landscape engineers, reshaping Earth's ...

Hundreds of millions of years ago, Earth’s magnetic field behaved in a way that has long baffled scientists, showing wild and seemingly chaotic shifts unlike anything seen before or since. A new study ...

For years, planetary scientists have argued that some of the material that built Earth must have drifted in from beyond ...

Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

Historically planetary defense research has focused on deflecting asteroids by using momentum to nudge their cosmic course ...

Earth likely formed from inner Solar System material alone, raising fresh questions about the origin of water on our planet.