Life was small — until it wasn't.
They are a jaw-dropping half-billion years old.
The confirmation will change everything we thought we knew about how life began.
Get ready for alien worlds.
China Plans to Shut Down Coal Plants, SpaceX Launches and Lands, Curiosity Finds Evidence of Water, and More.
It turns out, silicon-based life is feasible.
"Even if you believe in an RNA-only world, you have to believe in something that existed with RNA to help it move forward."
How far can or should we go?
We may have to make life happen beyond our planet.
Are aliens humanoids like us, or are they likely something far stranger?
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