Gallery: The Best Olympics Photos So Far, From Swords to Big Green Pools

Inspired by head-banging woodpeckers, Vancouver-based Pikio Labs has discovered a new approach to skull protection.

Solar geoengineering could buy humanity time against climate change—or trigger a dangerous new arms race. A first-of-its-kind simulation offered a glimpse of what happens when geopolitics takes the wheel.

JAXA is leading an international mission to reach Mars’ Phobos moon and bring soil back to Earth. If successful, it could unlock new clues about the history of the solar system.

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.

Made up of small fragments left behind by Halley’s Comet, these meteors are known for being especially bright and speedy.

The data drop includes photographs, audio, video, and astronauts’ notes that will be used to study the moon and prepare for future human missions.

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

They fit better than they look and stay put when you move, but Snap’s $2,195 Specs still feel like a developer prototype in search of a purpose.