More than 1,000 years ago, Panama elites were buried together with translucent green stones long suspected to be emeralds.

On the moon, the lack of atmosphere and accompanying features such as biological activity, oxygen-rich air, flowing water and ...

Researchers in Spain have discovered that in collectives of moving fire ants, rippling "waves" of density and activity are ...

Tire rubber contains antioxidant chemicals, most notably 6PPD and DPPD, that are released into the air as tiny particles ...

Local authority inspectors who issue licenses to dog breeders need clearer guidance and better support so they can more ...

Get set for a rare blue micromoon this weekend—a blue moon that's also the most distant and smallest-looking full moon of the ...

In the next five years, the Earth is overwhelmingly likely to surge again and again past the international climate threshold ...

Quantum mechanics is a physics framework that describes how matter and energy behave at an extremely small scale, ...

Saltmarsh is disappearing from coastlines around the world, and while brushwood fencing can help bring it back, a new study ...

When researchers survey wildlife in a lake, forest, or other habitat, they rarely capture every species present—some are simply too rare or elusive to detect. A new study published in the May issue of ...

An individual's dominance over another determines priority access to resources such as food or mating partners, and thus reproductive success. However, the rank within the clan can be calculated using ...

Researchers have found surprising links that show that Neanderthal ancestry influences our immune system today in ways more nuanced than previously recognized. Their work is published in the journal ...