Chemical fingerprints could belong to a signature of life on distant planet

Scientists find signature of life on a distant planet, study suggests

A team of astronomers has detected what they call the most promising signs to date of a possible biosignature, or signs of past or present life linked to biological activity, on an exoplanet named K2-18b.

Chemical fingerprints could belong to a signature of life on distant planet

By Ashley Strickland, CNN (CNN) — When astronomers search for evidence of life beyond Earth, what signs are they seeking? Would clues be traced to microfossils trapped within ancient Martian rocks, swim in waters of an ocean world, or lead to an Earth-like twin thought of as Planet B? Or perhaps a technosignature, a signal that could be created by intelligent life, might point scientists in the right direction. The scientific community has debat…

Life is the only thing that still makes Earth a special place in the universe, says researcher Mikko Tuomi. That's why searching for it is so interesting.

Scientists find possible signs of life on faraway planet

LONDON — Astronomers have found possible chemical signs of life on a distant planet outside our solar system, though they caution more work is needed to confirm their findings.

Science news this week: Possible signs of life on another planet and a 'useless' female organ

April 19, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

Just How Far Away Is K2-18b — The Exoplanet Scientists May Have Just Found Signs of Life On?

Scientists say they may have found signs of life on exoplanet K2-18b, which is located more than 100 light-years away from planet Earth.