Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Local emergency services in Ufa reported a fire at one of the country's largest oil refineries, with one Ukrainian official ...

An innovative new technique uses a novel DNA barcode system to track hundreds of RNA and protein molecules in single cells within thick biological samples, providing researchers with a full picture of ...