Gallery: How to Keep Buildings From Killing Hundreds of Millions of Birds a Year

I’ve spent years testing smart bird feeders. These are the currently discounted models I’d buy for myself—or give as gifts.

Redwoods adapted to a cool, foggy climate. Now a new study shows they slow down photosynthesis when their environment warms.

As coastlines change, so do surf breaks. That may spell the end for premier waves and the tourist economies that depend on them.

The metric might not mean much to laypeople, but leap seconds have been a source of contention in the timekeeping community for years. Now, they’re dead.

Seven of 16 planetary vital signs are in their most extreme state ever recorded, and El Niño is here to make matters even worse.

The death of a lab worker in Russia has authorities looking at whether plague played a role. Even if it did, though, the odds of it spreading are very low.

While oil is known to float, new research finds that over time it can permeate even extremely deep marine habitats, with animal populations declining by as much as 80 percent.

The new image isn’t just stunning—it may also provide clues about how this star survived its own explosion.

These elusive and reactive particles have been challenging to hold on to and even more challenging to study, but a new method paves the way for tests on the differences between matter and antimatter.

After years of testing repellents, traps, and sprays, I found a few ways to keep the bugs at bay—and plenty that aren’t worth the effort.

Scientists can’t agree why reefs in the Red Sea have long been immune to bleaching. The answer could be the key to saving these tough corals as climate change begins taking its toll.

With customizable “faces,” this 7-inch smart display is a unique hybrid between an iPhone and an Apple Watch.