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After researching the rodent indent, scientists are over 98% sure it came from a squirrel.

South African photographer Wim van den Heever has received this year's Wildlife Photographer of the Year award for his image of a brown hyena outside a ruined diamond mining town.

A 2025 satellite photo shows a particularly complex section of the Yarlung Zangbo River as it twists its way through the Tibetan Plateau. This part of the "braided" waterway has experienced drastic visual changes over recent decades, which could soon be accentuated by climate change.

Researchers have discovered giant DNA structures in oral bacteria, and data hint they could influence the function of your immune system.

Geological records hint that earthquakes at the Cascadia subduction zone might trigger the San Andreas Fault.

A new AI tool reveals that Campi Flegrei experienced more than 54,000 earthquakes between 2022 and 2025. By mapping these events, researchers discovered a huge, crisp, ring-shaped fault.

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth than the hypothetical Planet X, which astronomers have been hunting for almost a decade. However, the evidence for this newly theorized world is "not definitive."

First spotted decades ago but largely forgotten, a newly named form of diabetes stems from undernutrition and is thought to affect millions.

Three-quarters of the world's drought-prone areas are at risk of extreme water shortages — known as "day zero droughts" — this century, and some could be hit before 2030.