We finally know how tardigrades reproduce

Are men from Mars and women from Venus? No, it’s much stranger than that…

From top-dog wolves and wise elder elephants to insect royalty and sex-changing fish, animal alphas take many fascinating forms

Amazing answers to your curious questions

Moles are strange. they have evolved to become so highly specialised and attuned to a particular way of life that they are, for the most part, out of sight. Underground, they live in a fossorial world

Peek over the parapet of a bridge just as daylight bleeds into dusk, gazing down through the clear layers of a shallow river or chalk stream, and you may glimpse the shadowy, serpentine form of an eel

D aylight, soft and grey, spreads into the ...