Ancient impact may have left "heart" on Pluto's surface Pluto's heart-shaped splotch, Tombaugh Regio, likely arose from an ancient collision with a 700-kilometer [...]

Tattoos may raise risk of malignant lymphoma A population-based study in Sweden found people with tattoos had a greater risk of developing malignant [...]

Radar yields data on glacier's effect in sea-level rise (Pixabay) Warm, salty seawater is flowing deep under the Thwaites Glacier in Antarctica, sometimes [...]

Eurasian jays may recall details to solve problems (Education Images/Getty Images) Eurasian jays appear to be capable of remembering specific experiences, including seemingly [...]

Researchers calculate different cats' life expectancies (Pixabay) Kittens in the UK have an average life expectancy of 11.7 years, but Burmese or Birman [...]

Sedentary childhood tied to heart damage A study published in the European Journal of Preventive Cardiology found that an increase in sedentary time [...]

Youth vaping linked to increased metal exposure A study published in the journal Tobacco Control suggested that frequent teen vaping might boost the [...]

Footprints reveal new 5-meter raptor species in China Fossil footprints in China indicate a previously unidentified raptor species, Fujianipus yingliangi, that was 5 [...]

Ocean temperature rise threatens world's biggest ice shelf (Josh Landis/Getty Images) Ocean warming of half a degree Celsius was enough to set off [...]

Study: US landfills produce more methane than thought US landfills are emitting about 40% more methane than previously documented, according to a study [...]