Ukraine's defense ministry issued a recall of 120mm artillery shells this week, citing defects in a recently delivered batch of rounds. In a statement on Tuesday, the ministry said it was ...

WASHINGTON — The U.S. is providing about $275 million in air-defense weapons, ammunition and drones in the latest round of military aid for Ukraine, the Pentagon announced Wednesday. The aid ...

And like clams, they have a symbiotic relationship with the algae that live inside their shells. In the relationship, the algae get food from the seawater that passes in and out of the shell ...

Western Diamondback Rattlesnake. Image via Holger Krisp, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons Common in the southwestern ...