If life exists elsewhere, it might not be on worlds like Earth. Here are some of the more peculiar places scientists are ...

For thousands of years, humanity has looked up at the stars asking the same question. Are we alone? Then one day, it finally happens. Scientists announce they have found convincing evidence that life ...

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, ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

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 ...

Scientists may have found a powerful new way to hunt for alien life — not by searching for specific molecules, but by looking for hidden patterns in how those molecules are organized. Researchers ...

Are we alone in the universe? While the search for life beyond Earth has so far turned up empty, the infamous question continues to haunt humanity’s exploration of the vast cosmos. Now, NASA’s ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The search for extraterrestrial life has evolved from philosophy to a serious scientific and ...