When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents preserved fragment of ancient planetary system ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

The pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

Miami airport is getting in on the social media phenomenon that a self-proclaimed psychic hinted at for the Scotland and Brazil World Cup match. Last week, Vo Bahiana, a Brazilian spiritualist, told ...