Hubble Telescope captured this image of the planet Mars in 2018. This high-resolution image was more powerful than the spacecraft that visited the planet.

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

Staring at the sun—a close (but safe) look at our home star Staring at the sun ... Free learning activities and videos about the solar system Free learning activities and videos about the ...

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

First we are going to make the stars in our solar system. For this you need to dip a dry paintbrush in to white paint, and using your finger, flick the paintbrush, so that the paint goes all over ...

From breathtaking views of asteroids to stunning planetary snapshots, Hubble’s exploration of our solar system has been nothing ... Powerful images from the front lines of the LA wildfires ...

The BepiColombo spacecraft has sent back some incredibly detailed images of Mercury’s north pole. The snapshots were collected during its closest ever flyby of our solar system’s smallest planet.

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Stunning pictures of Mercury have been published revealing the sunlit plains and possibly icy craters of the smallest planet in the solar system. Three pictures taken by the BepiColombo spacecraft ...