Emma Chapman

That's ahead on When We Find Them.

Emma Chapman is an astrophysicist at the University of Nottingham in England.

She uses radio telescopes in her work to look at the cosmic dawn, the first signs of our universe's formation.

But she also combs through historical astronomical data, looking for signals that might be from some other civilization, sent to us on purpose or on accident.

mean? 3IA Atlas is the third confirmed object to visit us from outside our own solar system.

It's a comet, and it was discovered in July 2025.

Here's astrophysicist Emma Chapman.

It's a comet that came in at such high speed that it can only have been on an orbit kind of way out of our solar system's reaches.