New research has shown that a lack of protein in a father's diet affects sperm quality which can have a direct impact on the long-term health of their offspring.

In many cases it is the color of the prey that helps predatory birds to detect, pursue and capture them. In a new study, biologists show that the Harris's hawk has the best color vision of all animals investigated to date — and in certain situations, even better than humans. The findings may help to protect threatened birds of prey against hazards such as wind turbines and power lines.

The physical abilities of male and female tennis stars decline at the same rate as they age, new research shows.

The concentrations of microplastics in the surface layer of the oceans are lower than expected. Researchers experimentally demonstrated that microplastics interact with natural particles and form aggregates in seawater. This aggregate formation could explain how microplastics sink into deeper water layers.

Climate change may have played a more important role in the extinction of Neanderthals than previously believed, according to a new study.

Researchers report new insights into brain centers involved in restless legs syndrome and disturbed sleep.

Nonvoluntary stressful movements or sounds are everyday reality for children and adolescents with Tourette syndrome, but the symptoms can be significantly reduced — both when help comes individually and in a group.

A new study reports important steps that have been taken towards the development of an acne vaccine. The investigators demonstrated for the first time that antibodies to a toxin secreted from bacteria in acne vulgaris can reduce inflammation in human acne lesions.

In a study with NCAA athletes, researchers found that the more closely a player identified as being part of their team, the more likely they were to conform to their teammates' behavior. This was true for both risky and positive behaviors.

In 1992, former Vice President Dan Quayle criticized the sitcom character Murphy Brown's decision to have a child out of wedlock. That ignited discussions that continue today about whether celebrities might be contributing to the demise of the nuclear family, yet 40 years of data from one reputable celebrity news source suggests that celebrities in fact have fewer out-of-wedlock childbirths compared to the rest of the U.S. population.