The long-term fate of Earth’s biosphere
Scientists modeled how Earth’s temperature and atmosphere will change over billions of years and predicted that plants and the life they…
Tag: astrobiology
Is Earth’s water why intelligent life evolved here?
A Columbia University scientist argued that the existence of humans provides strong evidence that intelligent life is more likely to evolve…
Clay minerals suggest a warm, wet past for Mars
Researchers studied clay deposits on Mars using tools aboard the Mars Reconnaissance Orbiter and found evidence for a warm and humid past…
These gases could signify intelligent life beyond Earth
Astronomers proposed that the industrial gases nitrogen trifluoride and sulfur hexafluoride could provide measurable signs of advanced…
Lava tubes contain unknown “microbial dark matter”
Researchers discovered lava tubes on Mauna Loa containing previously unknown microorganisms with metabolisms and communities that could…
Stellar flares could masquerade as life on exoplanets
Astronomers tested whether energy bursts from stars could artificially elevate typical “biosignature” gases on exoplanets.
How do small galaxies get magnetic fields?
Astronomers showed that small galaxies orbiting larger galaxies become 2 to 8 times more magnetic after nearing their hosts.
Hot spring rocks could help find life on Mars
NASA researchers found that the shape of rocks near hot springs influences the preservation of chemical fossils that could be detectable on…
Could “iron snow” fuel life in Europa’s ocean?
Scientists calculated that microorganisms breathing iron oxide “snow” could produce enough energy to survive on Jupiter's icy moon…
Could we find evidence for life in fool’s gold?
Scientists looked for biosignatures in fool's gold from a Mars-like environment . They found small filaments within the rock that may once…