Large Telescope observations of interstellar comet 2I/Borisov has revealed that it is "one of the most pristine ever observed ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

3I Atlas is one of the most unusual interstellar objects ever observed, showing behavior that initially confused scientists.

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

John Roberts wrote majority opinion, while Ketanji Brown Jackson wrote concurring opinion and Brett Kavanaugh dissented in part ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...