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

Imagine a planet orbiting the largest known star, Stevenson 218. This video explores the tantalizing scientific possibility of alien worlds around a red supergiant. We examine the challenges of ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

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

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

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

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

As far as underwhelming headlines go: "No Alien Life Found on Comet" must rank very close to the top. An article with this title appeared in the Guardian on July 6 in response to a story claiming that ...

"The universe is a pretty big place. So if it's just us... seems like an awful waste of space," goes a line from the 1997 film "Contact." In the movie, Jodie Foster plays Dr. Ellie Arroway, a radio ...

Morgan Underwood receives funding from NASA-funded CLEVER Planets (Cycles of Life-Essential Volatile Elements in Rocky Planets) research project. When astronomers search for planets that could host ...