Orange cats are so goofy that people joke that the chaotic kitties share one communal brain cell. But most of these domestic felines — along with multicolored calicos and tortoiseshells — actually do ...

Not all plants can be stored in a seed bank. Cryopreservation offers an alternative, but critics question whether this form of conservation will work.

Placebo testing has been part of the process since the 1940s. It’s unclear what additional measures would achieve — but it may slow development.

A faint yet visible Martian aurora is the first instance of the phenomenon spotted from another planet's surface.

A study in Uganda shows how often chimps use medicinal plants and other forms of health care — and what that says about the roots of human medicine.

It's not quite as bad as The Last of Us. But progress has been achingly slow in developing new antifungal vaccines and drugs.

Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.

This assassin bug's ability to use a tool — bees’ resin — could shed light on how the ability evolved in other animals.

In 2018, over 350,000 excess heart disease deaths were linked to phthalates. More research is needed to fully understand the chemicals' effects.

Hundreds of millions of years before oxygen surged in the atmosphere 2.4 billion years ago, swaths of oxygen winked in and out of existence in the ocean.

A scientist who worked on the National Climate Assessment explains how stopping work on it may make us more vulnerable to extreme weather disasters.

Rosettes made by scraping Tête de Moine, or “monk’s head,” cheese result from variations in the friction between the blade and the cheese.