Science

A growing catalog of huge but dim “ultra-diffuse” galaxies is forcing astronomers to invent new theories of galactic evolution.

Belugas pass cultural knowledge across generations. Their survival may depend on how they collectively adapt.

Medtech firm Earli is working on a way to make tumors announce themselves as they appear—and even provide directions to where they are in the body.

Using the tech giant’s new telehealth service will mean trusting it with your private data.

Interstellar Lab’s inflatable BioPod is designed to help plants survive inhospitable conditions on Earth and allow explorers to settle on the Red Planet.

The company is vying for an edge in an increasingly crowded field that seeks to let people control machines with their minds.

Protesters are calling for China to ease restrictions most nations have already ditched. But the country faces a fraught path toward normalcy.

As carbon concentrations rise, conditions are becoming more like they were 3 million years ago, when the area was wetter and the rain was heavier.

While biologists still aren't exactly sure how it works, a new study closes in on why the insects that pester Savannah animals zig when anything zags.

An agreement can’t magically end the catastrophe of plastic pollution. But it could be a step in the right direction.