For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the inner solar system.

In the latest scientific discovery, the Hubble Space Telescope shocks space enthusiasts by revealing an unusual object that ...

NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

NASA shared that with a more precise shape, it will help astronomers understand data from planets seen passing in front of ...

A NASA mission is underway to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun.

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened during its farewell tour of the solar system.

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...

With an image from the James Webb Space Telescope, NASA finds clues outside the solar system that explain crystals born in ...

Samples taken from the asteroid Bennu are continuing to shed light on the origins of the solar system. Scientists have been studying the samples since NASA's Osiris-REx spacecraft carried them back to ...

It's possibly as big as Manhattan, likely older than our own solar system and it's traveling through space at speeds of up to 153,000 miles per hour. It's also only the third confirmed interstellar ...