This is the first time researchers have purposefully combined two specific atoms into a molecule. Read more

Acoustic cameras reveal how male Costa’s hummingbirds can aim the sound produced by fluttering tail feathers during courtship dives. Read more

The Transiting Exoplanet Survey Satellite will set the stage for the next chapter of exoplanet exploration. Read more

Microscopic structures that scatter light to give color to the wings of modern butterflies and moths date back almost 200 million years. Read more

A tiny effect of general relativity on Mercury’s orbit has been calculated for the first time. Read more

The professionals have advice to give, but the decision is ultimately a personal one. Read more

Thanks to high vaccination rates, measles has mostly disappeared from the Americas. Read more

Over the last 100 years, the world’s oceans have sweltered through a rising number of heat waves. Read more

A quantum dot–powered material could help reduce the number of hospital-acquired infections, including those with drug-resistant bacteria. Read more

A man ate one of the hottest peppers in the world. About a minute later, his head began pounding. Read more