Researchers modeling eastern Neanderthal migration from Europe have found the area south of the Caspian Sea in northern Iran to be the most likely route, suggesting there could be significant yet-to-be-discovered archaeological sites hidden in less explored areas along the way.

About 360 million years ago, in the shallow subtropical waters above what is now the city of Cleveland, an armor-plated fish many believed to be up to 30 feet long ruled the seas.

Research led by the University of Oxford could address the current supply crisis of helium, a vital societal resource. The study proposes a new model to account for the existence of previously unexplained helium-rich reservoirs. The findings, published today in Nature, could help locate untapped reservoirs of accessible helium.

An international team of astronomers has conducted a long-term multi-frequency radio monitoring of a nearby blazar known as OJ 287. Results of the observational campaign, published February 22 on the pre-print server arXiv, shed more light about the behavior of this blazar, especially regarding its radio variability.

A trio of paleontologists, two with the Russian Academy of Sciences, the third with the University of Silesia in Katowice, has identified the oldest known pollen-carrying insect. The research by Alexander Khramov, Tatiana Foraponova and Piotr Węgierek has been published in Biology Letters.