Published findings about life elsewhere, written for people who never studied astrophysics. Every entry says what the result does not establish, because that is usually the part the headlines drop.
These entries are not sightings. They are published or officially announced findings, and their label reflects how settled the science is, not whether we believe it.
4 entries
An object called 3I/ATLAS is crossing our neighbourhood on a path that shows it formed somewhere else. It is only the third such visitor astronomers have caught.
ATLAS survey · NASA
A team reported a gas on the planet K2-18b that on Earth is made almost entirely by living things. Several independent reanalyses of the same data found the signal was not strong enough to claim.
University of Cambridge · NASA
The TRAPPIST-1 system holds seven rocky planets around a star barely larger than Jupiter. Whether any of them kept an atmosphere is the question now being tested.
NASA · European Southern Observatory
An Ohio radio telescope recorded a strong, narrow signal from the direction of Sagittarius. Decades of listening at the same spot have turned up nothing since.
Ohio State University · SETI Institute