New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface ...

The discovery, led by evolutionary genomics researcher Davide Bozzi, pushes back the evidence for treponemal diseases, as ...

Experts reconstructed the genome of Treponema pallidum from 5,500-year-old human remains in Colombia, revealing an unknown ...

While it may seem farfetched to imagine northern Africa’s Sahara Desert alive with thick vegetation and giant freshwater lakes, radar imaging is helping researchers see through the desert’s endless ...

Scientists have recently unearthed a collection of ancient viruses from the depths of a Tibetan glacier, offering a glimpse into viral evolution and environmental conditions thousands of years ago.

The summaries below were drafted with the help of AI tools and edited by journalists in our News division. All linked stories were reported, written and edited by McClatchy journalists. Throughout ...

NASA’s Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life, scientists reported Wednesday. They stressed that in-depth analysis ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.

In school, history often comes packaged in tidy chapters and predictable timelines, but let’s be honest, real history is anything but neat. It’s messy, dramatic, filled with surprises, and often way ...

NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life, scientists reported Wednesday.They stressed that in-depth analysis ...