An international research team led by Dr. Lorenzo Marchetti from the Museum für Naturkunde Berlin has described the oldest known impressions of reptile skin from the Thuringian Forest in central ...

Here’s what you’ll learn when reading this story: Chondrichthyan fishes—a group that includes rays, skates, chimaeras, and sharks—are thought to have energy intensive reproduction cycles due in no ...

New research from James Cook University has made the extraordinary discovery that epaulette sharks can reproduce and lay eggs without any measurable rise in energy use. JCU's shark physiology research ...

Reproduction is central to survival, but it may come at a hidden cost. In a new study, which drew on zoo records from more than 110 animals around the world, researchers found that blocking ...

Blocking reproduction increases lifespan in both males and females of many different species, a new international University of Otago – Ōtākou Whakaihu Waka-led study has found. Using data from ...

Humans tend to put our own intelligence on a pedestal. Our brains can do math, employ logic, explore abstractions and think critically. But we can’t claim a monopoly on thought. Among a variety of ...

Can grapes bring you luck? Spaniards believe so, and at midnight on New Year's Eve all across the country it's a race to gobble 12 grapes all before the first minute of the year passes. The 12 grapes, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Greenland shark ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

A “toadlet” in Brazil is the second-smallest vertebrate known to exist on the planet. By Sofia Quaglia At 6.95 tiny millimeters in length, this creature could fit on your fingertip. It is smaller than ...