An early version helped identify ancient life on Earth. Now its successor sits on the Red Planet.
A controversial theory suggests that life could pre-date Earth.
Subglacial lakes may have been the most hospitable place for life.
Three new studies failed to find similar levels of phosphine, the life-hinting molecule.
Planetary scientists and would-be explorers alike have a lot of follow up questions.
Six new studies describe the rock’s soggy past and violent present.
The truth is out there. We just have to go get it.
Researchers spotted phosphines in the planet’s hazy atmosphere.
A new estimate suggests the Milky Way is home to six billion Earth-like planets. So far, we’ve found just one...
Any microbes may have to forego membranes, or live underground.
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