Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

More than 86% of astrobiologists surveyed by Durham University in 2024 believe alien life likely exists somewhere in the universe right now, even as no confirmed evidence has yet been found. The ...

For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a discovery that turns out not to be real. Researchers have built entire ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets. Things mistaken for UFOs. In the search for alien life, humans have been fooled ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists say tiny exoplanets smaller than Mars simply can't hold an atmosphere long enough for alien life to survive. ©Image ...