Interstellar Comet

2 trends tracked about this subject — the full history, oldest to newest below.

↓ Cooling Science 🔮 fades

A comet older than our Solar System sparks debate: alien artifact or cosmic relic?

7 sources 7 articles v 5 just now

↑ Rising Science 🔮 holds ✗

NASA’s Webb telescope reveals comet 3I/ATLAS may be a 12-billion-year-old relic from the universe’s infancy

8 sources 8 articles v 6 1d ago