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Image of the Day
Mammalian Jaws Evolved to Chew Sideways
Catherine Offord | Jun 1, 2017
Parallel evolution in jaws and teeth helped early mammals diversify their diets.
Likely Roamed Earth with
Bob Grant | May 9, 2017
New research provides evidence that the ancient hominin species might not be so ancient after all.
Vision Helped Ancestral Fish Adapt to Life on Land
Diana Kwon | Mar 8, 2017
“Buena vista” hypothesis suggests that changes in the sizes of eyes, rather than a shift from fins to limbs, led fish to transition to land more than 300 million years ago.
Ancient Microfossils May be Earliest Signs of Life
Diana Kwon | Mar 2, 2017
Researchers find what appear to be 3.77 billion-year-old hints of microbial life hidden in Canadian rocks, but some scientists are not convinced.
Ancient Marine Reptile Birthed Live Young
Bob Grant | Feb 15, 2017
Researchers have described a pregnant
, and the fossilized remains suggest that the massive animal did not lay eggs, as previously suspected.
Image of the Day: Creepy Crawlers
Staff | Jan 30, 2017
Scientists discover the alien-like
, a 100 million-year old insect with a triangular head and bulging eyes.
Image of the Day: Giant Otters
Staff | Jan 24, 2017
Paleontologists uncover a nearly complete cranium of
a 6.24 million-year-old otter species that was as large as some modern wolf species.
Long Egg Incubations May Have Doomed the Dinosaurs
Diana Kwon | Jan 5, 2017
An investigation of fossilized teeth reveals that some dinosaurs took more than six months to hatch, hindering their abilities to procreate quickly and efficiently.
Study: Dinosaurs Lost Teeth, Grew Bird-Like Beaks
Joshua A. Krisch | Dec 28, 2016
Fossil analysis suggests members of at least one dinosaur species started out with full sets of teeth, only to lose them in adulthood and develop beaks instead.
Extinct River Dolphin Species Discovered
Alison F. Takemura | Aug 16, 2016
Overlooked for half a century, a skull in the Smithsonian collection points to a dolphin species that lived 25 million years ago, according to a study.