Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable claims. Using the James Webb Space Telescope, astronomers studying the ...

The observatory will combine tech from NASA's most powerful space telescopes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA is ramping up ...

"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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

"We thought clouds would hide life from us, but surprisingly, they could help us find life." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush. When you purchase through links on our site, we may ...

"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 ...

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 ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...