Jupiter ocean moon Europa likely lacks tectonic activity, reducing its chances for life

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for the hopes of finding alien life within its ocean.

How did life begin on Earth? New experiments support ‘RNA world’ hypothesis

The new findings strengthen the “RNA world” hypothesis that describes how the first life on Earth could have used RNA instead of DNA.

Can scientists detect life without knowing what it looks like? Research using machine learning offers a new way

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to recognize biology may no longer be enough.