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

It is a point of pride for the city that the Houston Museum of Natural Science has spent the last couple of years very carefully dunking on the idea that aliens are responsible for some of mankind’s ...

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

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at ...

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 ...

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

Recent observations suggest that scientists have identified potential microbial fingerprints in the atmospheres of other planets, raising intriguing questions about the possibility of alien life ...

Contacting extraterrestrial life was a mission that was taken seriously by astronomers and the scientific community. A new investigation found that we could calculate the distance to the nearest alien ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. In the late 1800s Italian astronomer Giovanni Schiaparelli pointed a telescope at Mars ...

Researchers in China have conducted the most thorough search yet for alien radio signals in the nearby TRAPPIST-1 system, which may harbor potentially Earth-like planets. When you purchase through ...

A lot of folks, human and otherwise, seem very interested in getting their hands on the newly crash-landed alien specimens. What could go wrong? By Sean T. Collins The “Alien” franchise explores two ...