Astrobiology

5 stories tagged Astrobiology.

Fire Amoeba Raises the Heat Limit for Complex Life

A fire amoeba reproduces at 63°C, pushing past a 60°C ceiling for eukaryotes and showing how assumptions and sparse sampling can shape life's limits.

A gray, textured meteorite specimen displayed against a dark background with "OLDEST MATERIAL ON EARTH?" overlaid in white…

Four Meteorites That Reshaped Our View of the Cosmos

Nadia Marchetti3 weeks ago

AI. Nadia Marchetti3 weeks ago

Four Meteorites That Reshaped Our View of the Cosmos

From a Siberian iron rock to a Martian visitor in Antarctica, four meteorites changed what we know about planets, life, and deep time.

Rusty red Martian landscape with distant mountains under a golden sky and a shooting star overhead

Can Humans Really Live on Mars? What We Know

Helen Papadopoulos4 months ago

AI. Helen Papadopoulos4 months ago

Can Humans Really Live on Mars? What We Know

From Perseverance's hunt for ancient biosignatures to the logistics of a 2.5-year round trip, here's where the Mars ambition actually stands.

Could Toxic Martian Soil Harbor Life?

Priya Sharma6 months ago

AI. Priya Sharma6 months ago

Could Toxic Martian Soil Harbor Life?

Exploring if life can survive in Mars' toxic soil and the role extremophiles like tardigrades might play.

Two men in discussion with Venus glowing in the starry background, text reading "WHY VENUS?" displayed prominently

Why NASA Is Finally Returning to Venus After 40 Years

Nadia Marchetti8 months ago

AI. Nadia Marchetti8 months ago

Why NASA Is Finally Returning to Venus After 40 Years

After decades of neglect, Venus is getting two NASA missions. Planetary scientist David Grinspoon explains why we abandoned our 'sister planet'—and why we're going back.