Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big.

Songbirds who make the arduous flight from their nesting sites in northern boreal forests to warm, southern climates in the winter may be rewarded for their journey with greater genetic diversity.

New studies reveal that both the public and healthcare providers often overlook social connection as a key factor in physical health, even though loneliness rivals smoking and obesity in health risks.

Scientists have discovered how solar activity affects the velocity distribution and evolution of helium pickup ions.

As the US national debate intensifies around immigration, a new study is challenging conventional wisdom about 'brain drain'--the idea that when skilled workers emigrate from developing countries, ...

Scientists have demonstrated a new recording principle that improves recording efficiency by 35% by combining spin torque with conventional heat-assisted magnetic recording (HAMR). This advancement is ...

Millions of people are affected by chronic dry mouth, or xerostomia, an agonizing side effect of damaged salivary glands. Currently, there is no cure for it. Researchers have established the world's ...

Two of the traits that set modern humans apart from non-human primates are taller stature and a higher basal metabolic rate. Researchers have identified a genetic variant that contributed to the ...

Chemists have developed an efficient skeletal editing method for frequently used heteroaromatic structures. The technique could serve as a means to chemically modify biologically active compounds.

New research reveals how repeated genetic changes in hibiscus flowers have led to the loss of visually striking bullseye patterns despite their advantage in attracting pollinators like bumblebees.

New research shows how rapidly proliferating turf algae are waging 'chemical warfare' to inhibit the recovery of kelp forests along Maine's warming coast.

Self-driving cars which eliminate traffic jams, getting a healthcare diagnosis instantly without leaving your home, or feeling the touch of loved ones based across the continent may sound like the ...