A chemical called dimethyl sulfide popped up in an analysis of exoplanet K2-18b’s atmosphere. On Earth, it’s only made by ...

On Earth, these chemicals are only made by living organisms, especially tiny ocean life like phytoplankton. Finding these same molecules on another planet is a big deal—it could be a sign that ...

He added that further study of “milky seas” can answer the many questions that remain on the phenomenon, such as why they happen and what they could mean for ocean life. “Milky seas could be ...

Scientists have captured the first confirmed footage of the elusive colossal squid in its natural environment 100 years after ...

Get Instant Summarized Text (Gist) Algorithms have been developed to detect biochemical signatures of life on icy ocean worlds like Europa and Enceladus. This method uses mass spectrometry to ...

A sunrise feels like a fresh start, a quiet moment before the world fully wakes up, where everything is still possible and ...

(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 ...

In a groundbreaking discovery, scientists using the James Webb Space Telescope have detected potential biosignatures—DMS and DMDS—in the atmosphere of ocean-covered exoplanet K2-18b, 120 light-years ...

ALIEN life could be hiding away on the vast ocean of a nearby moon. Scientists say there's a chance that a "small population" could be tucked away on Titan, the biggest of Saturn's moons.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For over 400 years ...

Tiny organisms in the sea provide about half of Earth’s oxygen, which shows how much life below the waves matters for everyone on the planet. These organisms often cluster in drifting currents and ...