The Hubble Space Telescope's newest images of 3I/ATLAS confirm the presence of its sunward anti-tail, contrary to the usual ...

KEY OBSERVATIONS A comet’s tail is supposed to flee the Sun, driven outward by radiation and solar wind. That rule has held ...

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...

A ufologist's Freedom of Information Act inquiry about documents related to interstellar object 3I/ATLAS was mysteriously ...

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

What does a comet have to do to stop looking like a smudge and start looking like a machine? Interstellar comet 3I/ATLAS ...

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

Space experts are in shock after seeing eight new high-definition photos of a visitor from another star system. The object, ...

Interstellar comet 3I-ATLAS is a rare cosmic visitor that may be older than our Sun, offering scientists a unique glimpse ...