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astrobiology
Mars Rover Discoveries: Water, Biosignatures, and the Search for Life
Mars rover discoveries are the scientific findings from robotic vehicles on Mars, including evidence of ancient water, organic chemistry, and potential biosignatures that...
Murchison Meteorite: 96 Amino Acids From Before the Sun
The Murchison meteorite's organic compounds include 96+ amino acids formed in space, offering direct evidence that life's building blocks exist beyond Earth.
Extremophile: Life That Thrives in Earth's Harshest Environments
An extremophile is an organism that thrives in conditions lethal to most life, including extreme heat, acidity, salinity, and pressure.
Fermi Paradox: Why the Universe Stays Silent
The Fermi Paradox is the tension between the apparent likelihood of extraterrestrial civilizations and the complete absence of evidence for them.
Hydrothermal Vents: Where the Ocean Floor Breathes Fire
Hydrothermal vents are fissures in the ocean floor where superheated, mineral-laden water erupts from Earth's crust, hosting ecosystems powered by chemistry, not sunlight.
Life from Scratch: Harvard Creates Self-Reproducing Cells Without Biology
Harvard scientists created artificial cells that reproduce and evolve using only simple molecules and light, revealing how life might have begun.
