Russian cosmonauts aboard the International Space Station (ISS) may have discovered the first case of alien life after allegedly finding bacteria on the hull of the space station. This bacteria was ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

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

The search for extraterrestrial life has always been a key motivator of space exploration. But if we were to search Mars, Titan, or the subsurface oceans of Europa or Enceladus, it seems like all we ...

Finding bacteria in extreme environments, like at thermal ocean vents or in the sulfur pools at Yellowstone, isn't all that novel. In 1991, remote-control robots brought out samples of pitch-black ...

Scientists have made a discovery about Mars that could lead to uncovering alien life. They identified an 1,800-mile-wide plain in the northern hemisphere that has the right subsurface conditions to ...

Scientists have made a discovery about Mars that could lead to uncovering alien life. They identified an 1,800-mile-wide plain in the northern hemisphere that has the right subsurface conditions to ...

ALIEN species of resilient bacteria could be thriving in salty water reservoirs scientist believe might be hidden on Mars and Jupiter’s moons. A team of international scientists found that some types ...

NASA's potential discovery of arsenic-based alien bacteria raises questions and implications for biology, prompting scientific scrutiny. Then it was an earth bacteria that has a unique kind of arsenic ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the asteroid belt between Mars and Jupiter, harbored the right conditions to ...