kepler f

Searching for alien life: Why we shouldn’t ignore low-oxygen ‘dead planets’

Until recently, little was known about oxygen’s abundance in the atmosphere [when] microbes were the only life on the planet ...
a f d bbc f e ed dccd e

What caused the 60-million-year insect fossil gap?

Insects are everywhere—in the air, on the ground, in the ground, and sometimes in your house and food. Yet there ...