Scientists used computer models to determine how likely a planet is to be habitable by its age, size, and distance from its sun.
Geologists discovered microbes trapped in 830-million-year-old salt minerals similar to those found on Mars.
It's hard to look for signs of life beyond Earth. It's a little easier if we assume that life out there is like Earth life. But what if it…
Hold your noses! ET life might produce noxious gases in the form of #phosphine. Here’s why phosphine is an important marker in the search…
Were metabolic pathways established before life emerged? New experiments observe life-like patterns self-propagating on #mineral surfaces.…
How can amino acids, lipids, and other metabolites help scientists with life detection in space? #Astrobiologists look at how our cells…