With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

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

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

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

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

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

The discovery marks a significant moment for a theory that was once dismissed as fringe science but is now gaining serious scientific traction. Panspermia is far from a modern invention. The concept ...

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

New laboratory studies could shed light on a rock containing potential signs of alien life that’s stranded on Mars ...

“Most of the sky has not been formally searched for extraterrestrial intelligence,” said Adam Frank, Helen F. and Fred H. Gowen Professor in the Department of Physics and Astronomy at the University ...