Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only ...

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

NASA’s OSIRIS-REx brought back to Earth 121 grams of material from asteroid Bennu. This is the largest sample ever collected ...

The U.S. Postal Service has issued two new stamps featuring iconic images from NASA’s James Webb Space Telescope. The stamps, ...

Earth along with some other planets in our solar system have jet streams too. They're like rivers of high-speed atmospheric ...

If you were to perfectly follow the steps in An Idiot's Guide to Making a Solar System, you should eventually find yourself ...