Habitable Zone Explained: The ‘Goldilocks Zone’ Where Life-Friendly Planets May Exist

The habitable zone, or “Goldilocks zone”, is the region around a star where conditions allow liquid water to exist. Varying with star type, this zone is key in the search for life. Earth’s location in the Sun’s habitable zone has made life possible, and astronomers seek similar rocky exoplanets in other systems to explore the possibility of extraterrestrial life.

Robot ‘Wavy Dave’ Fools Crabs, Gets Attacked in Mating Claw Contest

A 3D-printed robot crab named “Wavy Dave” was deployed among real fiddler crabs in Portugal to mimic mating displays. The study revealed surprising reactions—rival males waved longer, avoided conflict with larger claws, and even attacked the robot. These findings offer new insights into how crabs adjust their courtship behavior in response to perceived competition in dynamic environments.