The Amazon molly reproduces without sex. A genomic copy-and-paste trick called gene conversion may explain how it avoids evolutionary meltdown.

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would otherwise plague a self-cloning species.

When closely related species mate, their offspring sometimes survive but cannot reproduce. This pattern often affects males ...

The appendix has independently evolved at least 32 times across 361 mammalian species. What makes it an evolutionary darling ...

Life's capacity to survive in simulated lunar and Martian soils has been explored in two papers published in Scientific Reports. Treating simulated lunar soil with both symbiotic fungi and ...

A rare Japanese ant is the only species known to lack female workers and males; all of its young develop into parasitic queens that try to take over other colonies.

Little Foot” is the most complete Australopithecus fossil ever found. And now we finally have an idea of what this group of ...

How Canada's 7th largest bank aims to go from unknown initials to a household name Canada’s Connor McDavid makes Olympic tournament history Carbon's hidden superpower: How extreme warming can trigger ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...