From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

James Webb has detected a molecule in the atmosphere of the exoplanet K2-18b that could be linked to life. The molecule, ...

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

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

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

A new analysis of Saturn's moon Titan that reduced the odds of a subsurface liquid ocean has increased the chances of ...

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

Science fiction writer and futurist Arthur C. Clarke once said, “Two possibilities exist: either we are alone in the universe or we are not. Both are equally terrifying.” And perhaps that fear is what ...

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

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

A small icy moon orbiting Saturn is a likely candidate to host outer space life, as a major space organisation is targeting ...