As global temperatures rise and climate change accelerates glaciers and permafrost are melting at unprecedented rates. While ...

The frozen layers of Earth’s permafrost have long been a mystery, hiding secrets from thousands of years ago. Climate change, ...

Fragments of ancient viruses buried in the genomes of mammals and other vertebrates typically lay dormant but can awaken in immune-compromised mice and may cause cancers, according to a new study ...

Scientists have been able to revive 33 types of ancient viruses, which are thought to have been frozen in the ice of the Guliya ice cap in the Tibetan Plateau 15,000 years ago. Of those ...

"We'd be nowhere on HIV if there hadn't been years studying these weird mouse viruses," says David Sanders, associate professor, Markey Center for Structural Biology, Purdue University department of ...

A curious connection between an ancient supernova and virus diversification in one of Earth's biggest lakes means that crazy ...

A 6,000-year-old forest emerged from melting ice in Wyoming, revealing ancient climate shifts while warning of modern global ...

DNA from ancient viruses may be important for growth of embryo in womb, study suggests Cell plasticity refers to how cells can change their identity and function in response to changes in environment.

Furthermore, each tissue sample also contained genetic material from at least one provirus that could still produce viral proteins. The fact that thousands of pieces of ancient viruses still exist in ...

One author (H.C.L.) did all the experiments involving mummy DNA isolation and PCR amplification, handling one sample per day to prevent any cross-contamination between ancient and modern DNA in ...