Explore how star formation, gas density, and proximity to other galaxies define where a galaxy ends.

Allergies may not have existed before the Industrial Age, but records of these health issues are rare from ancient times.

What is the psychology behind keeping secrets? How the things we hide affect our wellbeing. Here are some ways to cope with ...

Without facts we all agree upon, there can be no science ... and without science, who can we trust?

From ancient myths to modern superstitions, all cultures — even modern ones — tell stories about the moon.

From their unique vision to fascinating hunting techniques, find answers to your most frequently asked spider questions.

Examining the cephalopod’s sucker structure was key to its creation.

Scientists investigating a cave in Southeast Asia recreate life there up to 52,000 years ago.

Researchers designed a simulation to show when finch species started to diverge.

Researchers found that topical treatment products containing benzoyl peroxide can degrade into the carcinogen benzene if ...