Brood XIV cicadas are starting to be found in parts of Pennsylvania and there's a reason they may not be singing or buzzing ...

Indian scientists have discovered two new millipede species, *Polydrepanum xiphosum* and *Polydrepanum spinatum*, in the ...

A rare crab known for its bright blue color and giant size hasn’t been spotted on an Indian Ocean island following a deadly ...

Cavers encountered a massive blue crab in a cavern in India, marking the first time the at-risk species had been spotted in ...

In the 460-million-year-old Eriptychius, the researchers found large, open pulp cavities and branching dentin tubules — an ...

The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ...

For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles Doolittle Walcott in 1918, it was initially classified as a crustacean.

The arthropod fossil used to describe a new species (left) and CT scans of the specimen (right) Luke Parry (photograph), Yu Liu, Ruixin Ran (3D models). Edited by Emily Lankiewicz Long ago ...

A new 450-million-year-old fossil arthropod, preserved in 3D by iron pyrite (fool’s gold), has been unveiled by scientists. The new species, Lomankus edgecombei, is distantly related to spiders ...

The striking fossil is a newly identified species of arthropod, a distant relative of modern-day horseshoe crabs, scorpions, and spiders, that slightly resembles a modern-day shrimp. The creature ...

A newly discovered 450-million-year-old fossil arthropod was found entirely preserved in pyrite–aka fool’s gold. The newly named species Lomankus edgecombei boasts a leg coming out of its head ...