From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.
If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...
A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...
Philosophers, researchers, spiritual leaders—they’ve all debated what makes life worth living. Is it a life filled with happiness or a life filled with purpose and meaning? Is there even a difference ...