A nearly complete 90-million-year-old dinosaur fossil from Patagonia, Alnashetri, reveals how alvarezsaurs evolved and shrank over time.

If someone showed you photos of Onyx Cave without context, you’d probably assume they were concept art from the latest space ...

Archaeologists have found a prehistoric human skeleton deep inside a flooded cave system on Mexico’s Caribbean coast.

Being able to spot the Earth, let alone any signs of life on our planet, would require an enormous telescope from 66 million ...

That may be wishful thinking just yet, but no matter the weather, reading is an ideal hobby for any season—and March has plenty of new sci-fi, fantasy, and horror books heading to a shelf near you.

Researchers have found new data to support the "drunken monkey" hypothesis; the idea that human attraction to alcohol may be ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Tiny insects trapped in amber could tell us a great deal about their roles in past ecosystems: pollinators, parasites, predators, and prey. But how many of the insects preserved alongside each other ...

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to survive inside, while also protecting them from being desiccated or exposed to ...

They open up the possibility of an evolutionary link with the oldest known Homo sapiens fossils – those from Jebel Irhoud in Morocco, dated to around 315,000 years ago. These discoveries help clarify ...

Researchers have found a well-preserved and nearly complete skeleton of one of the world's smallest-known dinosaurs, named Alnashetri cerropoliciensis, in Argentina’s Patagonia region, where massive ...