A major study shows complex cells evolved gradually in an oxygen-poor world, challenging long-held assumptions about life’s ...

New camera trap research in Sumatra’s Leuser ecosystem reveals a strong population of critically endangered Sumatran tigers.

Mood can reverse how humans judge dog emotions. Positive moods may make dogs look sadder, while negative moods can make them ...

Sargassum in the northern Sargasso Sea is rapidly declining, signaling a major ecological shift beneath the Atlantic’s ...

The first global atlas of Martian watersheds reveals 16 huge ancient river systems that once shaped Mars and may hold clues ...

A prairie butterfly shifts color, behavior, and eye biology across seasons. Sunlight and air guide how it moves and senses ...

Scientists found that your breath quietly times how memories return, with inhale boosting perception and exhale powering ...

Researchers map the organized stages of bumblebee defense, from the first wing buzz to the final calming signals that reset ...

A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...

Scientists created fake words to test if sound affects memory. Result: people remembered pleasant-sounding words twice as ...

A Swedish study reviewed 196 studies to understand biophobia, why people fear or dislike nature, and how those feelings can ...

Giant anacondas grew large early and kept that size for millions of years, surviving climate shifts and habitat changes ...