Wastewater is a grab bag of chemicals. There’s industrial run-off, bits of animal and viral DNA, and then there are compounds that trickle out from our households. The medicines we’re flushing down ...

Crayfish under duress show signs of anxiety, scientists report in the June 13 Science. The results provide clear evidence of the complex behavior in invertebrates and hint at anxiety’s ancient origins ...

The immune system of these tasty little crustaceans can produce cells that are able to turn into various types of other cells -- including neurons -- in adults, according to work published in ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

A global invasion is underway. A 10-legged mutant crayfish is on the march throughout the world. They’re all female. They don’t need males to fertilise their eggs. And they’re proving remarkably ...

What do crayfish and the metal mercury tell us about clean water? What do animal adaptations tell us about their environment. Meet a scientist who studies crayfish and hopes they will show him how ...

Some crayfish "fake out" their opponents with their gigantic right claws, suggests new research showing that these big claws aren't always as strong as they should be for their size. The slender ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new species of crayfish discovered in southeast Australia's coastal lakes and swamps is one of ...

Crawfish and lobster are both edible crustaceans, but they're certainly not interchangeable in most recipes. Here's how they ...

When it comes to male crayfish, not all claws are created equal. In these crustaceans, the left and right claws might be very different sizes — and the larger one isn’t necessarily stronger, ...

Female crayfish send mixed messages during courtship — using urine. The urine that female American signal crayfishes (Pacifastacus leniusculus) spray out triggers courtship behavior in males. The ...

A new crayfish species from Indonesia has been named after former National Security Agency contractor Edward Snowden. The crayfish, as far as scientists know, doesn't have advanced computer skills, ...