It's well known that Earth's most severe mass extinction occurred about 250 million years ago. What's not well known is the specific time when the extinctions occurred. A team of researchers…
People in the UK will have the chance to see a total eclipse of the Moon at sunrise on the morning of 21 December, the date of the winter solstice. Unusually, for British observers…
Analysis of data from MESSENGER's third and final flyby of Mercury in September 2009 has revealed evidence of younger volcanism on the innermost planet than previously recognised, new…
Researchers from 18 scientific institutions have used observations and calculations to determine the amount of CO2 exchange between global vegetation and the atmosphere. The new results…
A team of researchers from Carnegie Museum of Natural History has described a new genus and species of carnivorous amphibian from western Pennsylvania. The fossil skull, found in 2004…
More than a hundred years after its discovery, the limbs and vertebrae of a fossil have been pulled off the shelf at the American Museum of Natural History to revise the view of early…
What constitutes fish food is a matter of debate. A high-profile study a few years ago suggested that fish get almost 50 percent of their carbon from trees and leaves, evidence for…
Of all global carbon dioxide emissions, less than half accumulate in the atmosphere where it contributes to global warming. The remainder is hidden away in oceans and terrestrial ecosystems…
The turnover of land plants in Europe at the boundary of the Triassic and Jurassic periods, 200 million years ago, was driven by environmental changes triggered by massive volcanic…
Life on Earth is under serious threat, despite the commitment by world leaders to reverse the trend, according to a detailed analysis of the IUCN Red List of Threatened Species…