Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable ...

Researchers used the Green Bank Telescope to study the interstellar comet and found that it exhibits typical cometary behavior, with no unusual features detected ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...