#Astrobiology4

5 Mar 2026

Bacteria survive asteroid-like impacts

A laboratory study shows a desert bacterium can survive extreme forces like those from asteroid impacts and then face space conditions. The results suggest rocks could move life between planets and raise planetary protection questions.

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Photo by Thomas McKinnon, Unsplash

24 Dec 2025

Microbes colonize new lava at an Iceland volcano

Scientists sampled fresh lava at the Fagradalsfjall volcano after eruptions between 2021 and 2023. They tracked how microbes arrived, how diversity changed after the first winter, and where the microbes likely came from.

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18 Dec 2025

New analysis: Titan may have a slushy interior, not a deep ocean

Reanalysis of Cassini data suggests Titan has a thick, slushy layer with tunnels and pockets of meltwater near a rocky core rather than a single deep ocean. The result could change ideas about habitability and will be testable by the Dragonfly mission.

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1 Dec 2025

Searching for Life on Exoplanets

Since a 1995 discovery, astronomers have found over 4,000 exoplanets. Scientists study biosignatures and technosignatures to learn if life or technology exists elsewhere. A NASA grant supports Adam Frank's work on technosignatures.

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