New evidence from fossils representing two groups of human ancestors—Australopithecus and early Homo—adds an important piece to the puzzle about when our ancestors transitioned from a life often spent ...

An irregular pattern and consistently higher levels of a stress hormone called cortisol found in the saliva were associated with cognitive decline later in life — Blacks specifically had lower overall ...

Researchers from Sun Yat-sen University and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) recently observed a species of armored searobin, Scalicus engyceros, walking sideways ...

Exposure to light during the nighttime is linked to important and potentially harmful changes to the structure and function of the heart, according to a study of more than 11,000 people published in ...

In a discovery that challenges our understanding of dinosaur distribution during the Late Jurassic period, palaeontologists have identified the first evidence of the iconic Diplodocus outside North ...

A 3D image of the water-filled aluminum eggshell array metastructure shows the eggshell pattern on an aluminum plate. The second aluminum plate — which goes on top of the eggs — is excluded from the ...