NASA is releasing stunning photos taken by the Hubble Space Telescope to celebrate its 35th anniversary. Check them out below ...

And in the past decade, more than 20 spacecraft have ventured into the deepest reaches of our solar system. These probes ... sending back pictures that humble or awe, even as they advance ...

"The instrument is, so to speak, the heart of the solar telescope, which is now finally beating at its final destination." ...

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 ...

The sun was caught bursting out a huge quantity of helium-3, an isotope that's scarce in our solar system. Europe's Solar Orbiter spacecraft has chronicled the development of the magnetic escape ...

There’s a weird quirk built into humanity’s study of the universe at large ... and rework our mental pictures of the Solar System once again.

The moon slipped between the Earth and the sun on Saturday, casting a shadow on our planet in parts ... A composite image of seven separate photos shows the partial solar eclipse as seen at ...