Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

A comet born around a distant star is now tearing through our solar system at roughly 150,000 miles per hour, and astronomers ...

For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...

As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...

Welcome to SolarBalls! This animated video presents the Solar System by Size, providing an engaging and educational ...

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

(International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist; Image Processing: J. Miller & M. Rodriguez ...

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...