From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

For decades, scientists have scoured the skies and planetary surfaces for evidence that life might exist beyond Earth. New ...

Avi Loeb argued that humanity spent 70 years waiting for alien radio signals when it should have been searching its own backyard. The discovery of interstellar objects — a 2014 meteor, ‘Oumuamua, and ...

Steven Spielberg's eerie 'Disclosure Day' trailer has ignited alien theories online. Is it hinting at hidden extraterrestrial ...

Because Titan is tidally locked, the same side of the moon faces Saturn all the time, just like our own moon and Earth.

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

Harvard physicist Avi Loeb challenges NASA, suggesting the iron-rich composition of interstellar object 3I/ATLAS indicates ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.

Breakthrough Listen searched for technosignatures from interstellar comet 3I/ATLAS but found no unusual signals or behavior ...