In this study, the authors use microCT to image an intact hatchling octopus and segment major organ systems, including the vascular, respiratory, digestive, and nervous systems. The resulting dataset ...

That's where pet insurance comes in. But is it right for you? Let's break it down.

The newly identified spider, measuring just 3 to 4 millimetres in length, gets its unique name from both music and habitat.

There are a lot of free courses offered by Canadian universities that you can take online. But the University of Alberta has ...

Our bodies are not perfectly designed, but are a living archive of evolution. Anatomy reveals a historical record of ...

Named after French explorer Jacques Cousteau, Megachelicerax cousteaui is the oldest of its kind ever found, not to mention ...

Perry, S. F. & Sander, M. Reconstructing the evolution of the respiratory apparatus in tetrapods. Resp. Physiol. Neurobiol. 144, 125–139 (2004).

A famous 300-million-year-old fossil that was thought to be the world's oldest octopus—even featuring in the Guinness Book of ...

What started as routine fossil cleaning turned into a major scientific surprise when researchers uncovered a tiny claw in a ...

A Cambrian fossil has been identified as the oldest known member of the chelicerates, a group that includes spiders and scorpions. The specimen shows the earliest known example of a chelicera, a ...

Researchers argue that a newly examined specimen found decades ago in Utah provides new clues to the ancestors of chelicerates before the group hit it big on land.

Early arthropod specimens don’t have claws like these. Instead, Cambrian arthropods usually have an antenna in that position. In other words, the claws Lerosey-Aubril was seeing were not supposed to ...