Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

NASA’s PUNCH mission has officially come online, promising to transform our understanding of space weather. By capturing ...

Using data from the eROSITA All-Sky Survey, astronomers have created a 3D map of the low-density bubble of X-ray-emitting, million-degree hot gas that surrounds the solar system. The investigation ...

Astronomers believe they've discovered a spiral structure inside the Oort cloud that surrounds our solar system.

Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

Following a checkout period lasting one month, the observatory – which measures 8.5 feet tall, 10.5 feet across, and weighs 1,107 pounds – will capture a ...

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.