Easter Island (Rapa Nui in the native language), a small volcanic island in southeastern Polynesia, has long been the focus of debate regarding the impact...
A new study, published in the journal Nature Ecology & Evolution, challenges claims that early humans slaughtered mammoths, mastodonts and prehistoric...
In a new study published this week in the journal Nature, an international team of researchers analyzed DNA from more than 700 sediment samples that were...
About 66 million years ago, a 10-km- (6.2-mile) wide asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. While...
Paleoclimatologists have precisely reconstructed monthly sea surface temperatures at around 50 °N latitude from fossil shells of bivalve mollusks that...
Mars had drier and wetter eras before drying up completely in the Hesperian period, about 3 billion years ago, according to an analysis of observational...
The deep ice at Camp Century in northwestern Greenland entirely melted at least once within the last million years and was covered with vegetation, including...
An international team of researchers has extracted and sequenced DNA from a 360,000-year-old petrous bone of the extinct cave bear Ursus kudarensis found...
Dr. Laura Chornogubsky, a paleontologist in the Museo Argentino de Ciencias Naturales ‘Bernardino Rivadavia’ and CONICET, has described one new genus...
The Aral Sea basin in Central Asia and its major rivers, the Amu Darya and Syr Darya, were the center of advanced river civilizations, and a principal...
Paleontologists in Argentina have identified a new species of eusauropod (true sauropod) dinosaur that lived 179 million years ago, just after the mysterious...
Paranthropus robustus is a small-brained extinct hominin that lived between 2 million and 1.2 million years ago in what is now South Africa. Discovered...
Planetary researchers have mapped and characterized ancient sand dune fields in the canyons of Valles Marineris on Mars. Their discovery offers new insights...
A team of researchers from the US, the UK and Australia has analyzed burn markers from the boundary of the impact site of the Chicxulub crater in the Yucatán...
The Little Ice Age, a period of global cooling that lasted from the early 14th century to the mid-19th century, was triggered by an exceptionally large...
A team of researchers from McMaster University and elsewhere has carried out a phylogeographic study of the extinct American mastodon (Mammut americanum)...
Planetary researchers from the University of Texas at Austin and NASA’s Marshall Space Flight Center have used dry paleolakes and riverbeds to determine...