science
New Toxic Hot Spring Looks Like an Acid-Fuelled Nightmare

It looks like the set from a 1950s scifi flick, but this toxic, funhouse-coloured hot spring isn’t humanity’s first deadly encounter with alien biology. Although it is home to some very strange life forms, and we’re not sure what would happen if those gloves came off. Read More >>

science
First Oxygen Appeared On Earth Way Earlier Than We Realised

If you hopped in the Tardis and travelled back four billion years, you’d find yourself on a hot, miserable wasteland of a planet with nary an oxygen molecule to breathe. Earth used to be an asphyxiating hellscape, but over the eons, tiny green microbes filled the air with oxygen. New research finds they’ve been at it much longer than we imagined. Read More >>