Scientists studied the internal anatomy that make a female-male role reversal possible in a group of Brazilian cave insects. By Jack Tamisiea The penis has a variety of peculiar shapes and sizes: the ...

While you might assume the Nullarbor Plain is a vast expanse with not much to see, a recent discovery has stunned scientists.

In Mexico’s Cueva del Azufre (the Sulphur Caves), a small fish called the shortfin molly (Poecilia mexicana) is on the way to becoming two separate species. Those that live in the dark interior of the ...

WASHINGTON (Reuters) - This may be the role reversal to end all role reversals. Scientists on Thursday described four insect species that dwell in extremely dry caves in Brazil, feed on bat guano and ...

Whether for an awkward silence or on a quiet summer night, there is one animal that can be counted on to fill the void with noise: crickets. The notoriously loud insects rub parts of their body ...

The spider cricket is a common American pest. This insect gets its name from its spindly, spider-like legs, but it’s not a true spider. This pest typically lives in caves and forests, but it can ...

Some insects have detachable penises, others produce sperm that is 20 times the size of their own body. Others have evolved with special equipment to help them tear rivals off potential mates. Insects ...

An odd species has been discovered under rare circumstances in the depths of the San Antón water mine in Seville province Spain. The tiny isopod crustacean was named the Carmona isopod (Baeticoniscus ...