For the first time, scientists have shown that hummingbirds can sing and hear in pitches beyond the known range of other birds, according to research published Friday in the journal Science Advances.

For centuries, scientists have obsessed over a primordial blob that can shape-shift, clone itself, and live indefinitely.

In order to develop complex scientific explanations, students need to have many opportunities to grapple with a concept. In this Educator Voices article, hear how Amy Fassler uses a sequence of resources in a process called “curriculum spiraling.”

The world cut its daily carbon dioxide emissions by 17% at the peak of the pandemic shutdown last month, a new study found.

This film explores how life recovered after an asteroid wiped out the dinosaurs and how those events shaped the diversity of plants and mammals on Earth today.

To give rivers more room to sprawl, cities are keeping adjacent lands for limited uses such as parks that can flood when rivers rise.

An unplanned grand experiment is changing Earth. As people across the globe stay home to stop the spread of the new coronavirus, the air has cleaned up, albeit temporarily.

Rutgers University researchers have received U.S. government clearance for the first saliva test to help diagnose COVID-19, a new approach that could help expand testing options and reduce risks of infection for health care workers.

Why aren’t health officials warning people about eating food contaminated with the new coronavirus? The answer has to do with the varying paths organisms take to make people sick.

A tiny fossil skull nicknamed “Wonderchicken” is giving scientists a rare glimpse at early ancestors of today’s birds. It may be the oldest known fossil from this group.

This activity explores an image of a moth with unusual markings on its wings, which serves as a phenomenon for learning about mimicry and adaptation.

Even as it disappears, the “bomb spike” is revealing the ways humans have reshaped the planet.