The Antarctic ozone hole last week peaked at a moderately large size for the third straight year—bigger than the size of North America—but experts...

NASA on Tuesday said it had succeeded in deflecting an asteroid in a historic test of humanity's ability to stop an incoming cosmic object...

The Salton Sea, California's most polluted inland lake, has lost a third of its water in the last 25 years. New research has determined...

Ramping up renewable energy products will require a range of critical metals. One of these elements, tellurium, is gaining in popularity for use in...

When the research vessel Bold Horizon sailed from Newport, Oregon, in early October, it joined a small armada of planes, drones, and other high-tech...

Science fiction is the realm where people traditionally wrestle with the idea of contact with an ETI (Extraterrestrial Intelligence.) But now, those discussions are...