250 million years ago, before the time of dinosaurs, meet Thrinaxodon an ancestors to today's mammals Fossil study shows earlier emergence of mammalian hearing [...]

Study links wildfire smoke to 17,000 US strokes annually (Lidija Kamansky/Getty Images) Wildfire smoke is responsible for 17,000 strokes annually in the US, [...]

Quantum state of matter found in unexpected material A team of international researchers has discovered a quantum state of matter in a material [...]

Researchers document tool use by a cow for the first time (Jérémy Stenuit/Getty Images) Researchers from the University of Veterinary Medicine in Vienna [...]

Researchers create breathing lung-on-a-chip A breathing lung-on-a-chip model developed by the Francis Crick Institute and AlveoliX uses cells from a single donor and [...]

Microbes in tree bark found to consume climate gases (Vovashevchuk/Getty Images) Researchers have discovered that tree bark hosts microbes that consume climate gases, [...]

  Extra weekend sleep may lower risk of depression for teens A study in the Journal of Affective Disorders found that teens who slept in [...]

Some dogs learn words by eavesdropping (Smrm1977/Getty Images) Some "gifted word learner" dogs can learn the names of new objects by overhearing their [...]

Marijuana use in adolescence may pose risks (Morsa Images/Getty Images) A study published in the journal Pediatrics found that even occasional marijuana use was associated [...]

Orcas, dolphins team up to hunt salmon (Musat/Getty Images) Researchers have documented Pacific white-sided dolphins and Northern Resident orcas cooperating to hunt salmon [...]