SMRTR Science & EngineeringJul 22, 2025Live Science

Controversial paper questions whether interstellar visitor 3I/ATLAS is 'possibly hostile' alien tech in disguise

SMRTR summary

A comet hurtling through our solar system at 130,000 mph has sparked an unexpected debate. Is it a natural phenomenon, or could it be an alien probe in disguise?

3I/ATLAS, discovered on July 1, initially appeared to be a large comet surrounded by a 15-mile-wide coma. But a controversial paper by Harvard astronomer Avi Loeb and colleagues suggests it could be extraterrestrial technology.

The researchers point to the comet's unusual trajectory and high speed as potential signs of intelligent design. They speculate it could be gathering intel on Earth and other planets.

However, most astronomers dismiss these claims as unfounded. Darryl Seligman of Michigan State University notes, "There have been numerous telescopic observations of 3I/ATLAS demonstrating that it's displaying classical signatures of cometary activity."

As 3I/ATLAS approaches the sun, further observations may settle the debate. For now, it remains a fascinating visitor from beyond our solar system, natural or otherwise.

SMRTR provides this summary for quick context. The original article belongs to Live Science.

Read the original article
SMRTR Science & Engineering

Get the next batch of curated summaries in your inbox.

This archive is built from SMRTR newsletter summaries. Subscribe for hand-picked stories without the extra noise.