The Scientific History of Cannabinoids

Hundreds of these cannabis-related chemicals, both natural and synthetic, now exist, and researchers want to know how they can hurt and help us

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How Should Scientists Navigate the Ethics of Ancient Human DNA Research?

Paleogenomic research has expanded rapidly over the past two decades, igniting heated debate about studying remains

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What 70 Years of Data Says About Where Predators Kill Humans

A new survey of attacks by lions, wolves and other big carnivores shows that people in low-income countries are at greater risk

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Ten Dazzling Celestial Events to See in 2023

Stargazers can look forward to watching a rare comet, a super blue moon and several spectacular meteor showers

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How NASA Is Selecting the Next Astronauts to Walk on the Moon

The space agency has said that it will send the first woman and the first person of color to the lunar surface

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Primate-Like Critters Survived in the Arctic When It Was a Lush, Warm Swamp

Even as darkness gripped the forests for months, two small species made it home

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How Saliva Changes the Flavor of Food

The liquid impacts how we perceive taste and can influence what we choose to eat

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Why Chickens Need to Stop Breeding With Their Wild Cousins

The red junglefowl is losing important genetic diversity in its native Asian habitat

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How Space Radiation Threatens Lunar Exploration

Scientists are studying the possible impacts of the hazard on astronauts who will travel to the moon

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Busted and Broken Fossils Show How Dinosaurs Fought

From locking horns to biting each other in the face, this is how dinos of the same species battled

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