There are compelling structures in a slab of sedimentary Mars rock, but their discovery alone won't prove there was ancient life on Mars.
Life is all around us, on Earth. But what about elsewhere in the Universe? NASA has announced new funding for 7 institutions to tackle this question. Continue reading →
Seeking out alien biosignatures in exoplanetary atmospheres will be a key priority for the next generation of space telescopes. Continue reading →
The role that Earth's oceans have on our planet's habitability is undeniable, but now scientists think that exoplanetary oceans are essential for alien life to evolve. Continue reading →
Research suggests that some Earth microbes are hardier than expected. If they hitch a ride on spacecraft, they could colonize other celestial bodies in the solar system.
Seeking out biomarkers on exoplanets could be the next big endeavor -- but what would it take to detect a key component of alien photosynthesis? Continue reading →
Could the stormy atmospheres of exoplanets and brown dwarfs be hothouses for the formation of prebiotic molecules?
Exomoons may be a good place to find extraterrestrial life. While we haven't found any yet, we know exactly what we're looking for. Continue reading →
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