Colorado is home to Sulphur Cave, which is exactly what it sounds like: a big, nasty hole that’s filled with deadly gas and dripping with acid. Nothing should live there. It’s basically hell on Earth. But then, scientists discovered clumps of limnodrilus sulphurensis wriggling around on the cave floor.
The catchily named Nothobranchius kadleci is the fastest-maturing vertebrate species known to science. In just over two weeks, this fish can reach sexual maturity and start laying eggs — and those eggs only need another 15 days before they are ready to hatch. So why does this species need to cram an entire generation…
These bugs might just be the hardest organisms on the planet. They're the only creatures observed alive inside an electron microscope that actually survived this airless, high-radiation environment. This discovery could mean big things for life on other worlds.
Leonid Ksanfomaliti, an astronomer at Space Research Institute of the Russian Academy of Sciences, claims to have detected signs of life in 30-year-old photographs of Venus. Of course, that's completely ludicrous... isn't it?
Extremophiles challenge everything we thought we knew about the existence of life on Earth. Now, astrobiologists are questioning if some extremophiles are actually aliens living among us. Just who are these incredible creatures, and what can we learn from them?