Scientists creating a gravity map of Mars have discovered the presence of mysterious large-scale structures hidden beneath a ...

Skin-secreted adhesives, or glues, are highly effective defense adaptations that have evolved recurrently in a small number of amphibians. From an ecological standpoint, this rapidly solidifying ...

The HEXAGON KH-9 reconnaissance satellites were the largest and last U.S. intelligence satellites to return photographic film ...

A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.

Researchers show the average surface temperature on our planet has shifted between 51.8 to 96.8 degrees Fahrenheit ...

The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...

Earth might have had a ring system in the past, similar to those of Saturn. Scientists drew these conclusions based on the ...

Over three excavation seasons, archaeologists from the Institute of Archaeology at the Jagiellonian University and the archaeological company Pryncypat, identified 23 inhumation burials—where bodies ...

Earth may have had a giant ring of space rocks surrounding it, similar to those around Saturn, which could have led to ...

Archaeologists researching a battlefield in Switzerland discovered a Roman military camp 7,000 feet above sea level. The camp is roughly 2,000 years old and ties to the Roman battlefield in the ...

Mosaic depicting a hoplomachus (right) gladiator against a Thraex. Credit: Carole Raddato / CC BY-SA 2.0 / Wikimedia Commons For nearly seven centuries, the Romans enjoyed armed contests between ...

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