When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

New analyses from SOHO and the Green Bank Telescope indicate interstellar comet 3I/ATLAS behaved like a normal comet as it ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

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

Discovered in July, 3I/ATLAS is not your average comet – it’s a giant snowball from beyond our solar system. The comet, ...

Interstellar comet 3I/ATLAS might be older than our Sun and is estimated to be between eight and 14 billion years old and ...

Interstellar comet 3I/ATLAS showed measurable water activity after passing the Sun, observed by SOHO’s SWAN instrument, ...

The most consequential detail about interstellar comet 3I/ATLAS is not that it is rare, but it is doing things that make long ...

The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

As 3I/ATLAS starts its long, lonely journey into the cold depths of interstellar space, it leaves behind a trail of data that ...

The most startling revelation regarding 3I/ATLAS concerns its age. Associate Professor Michele Bannister of the University of ...

Astronomers remain puzzled about the images of 3I/ATLAS captured several months ago; at the same time, the object’s ...