Discovery

Discovery Articles

Browse all discovery articles about the interstellar visitor 3I/ATLAS

Did 3I/ATLAS Deploy a Scout? New Comet SWAN Arrives from Completely Different Direction

When comet SWAN C/2025 R2 was discovered in September 2025, astronomers wondered: could this be a scout released by the mysterious 3I/ATLAS? The answer reveals something even more intriguing about our cosmic neighborhood.

September 23, 2025

Key Facts

Discovery Date

July 1st, 2025

Estimated Size

1 km diameter

Current Speed

N/A

Origin Direction

Constellation Sagittarius

Latest Updates

Stay informed with the newest observations and discoveries

Amateur Telescope Captures 'Strange' 3I/ATLAS Image: Here's Why It's Not What It Seems

5 days ago

How Big is 3I/ATLAS? The Massive Interstellar Visitor Revealed

11 days ago

Did 3I/ATLAS Deploy a Scout? New Comet SWAN Arrives from Completely Different Direction

15 days ago