Health and Human Services Secretary Robert F. Kennedy Jr.'s voice appeared to struggle during last week's Senate hearing over changes to vaccine policies and the CDC. Here's what to know about his ...

Scientists found new gecko species hidden in plain sight in pristine deserts of southern Africa, thanks to their loud, ...

On a cool, starry night six years ago, a young scientist crept barefoot across dunes in the Namib Desert in southern Africa.

When Howe Gelb, M. Ward, and McKowski were in the same place at the same time at a wedding in Tucson, Arizona, none of them ...

What sound does a fish make? The answer is weirder than you may think. (Video: FishEye Collaborative/The Washington Post) Scientists using new ways to eavesdrop on fish have captured a cacophony of ...

Over the past two days, several Western nations announced they are recognizing an independent Palestinian state, just a few weeks before the second anniversary of Israel’s war with Hamas in Gaza.

ST. LOUIS — There’s been a lot written about NHL prospects lately, and understandably so. The league’s annual rookie showcases will be underway soon, and some of the players featured have a chance to ...

Scientists estimate there are over 8 million animal species on Earth. Over a million of these species have been named. Here’s ...