The designation of nearly 200,000 square miles of pristine waters as marine monuments, including the deepest place on Earth, will be a "savings account" for the future, one conservationist says.
Asteroid debris around the remains of dead stars once like our sun show chemical signatures similar to the makeup of our solar system's terrestrial worlds, according to a new study.
The first infrared panorama of the Milky Way's center has revealed a previously unknown population of massive stars scattered across the turbulent zone around our galaxy's core.
Geologists in Hungary have been exploring a newfound underground lake beneath the capital, Budapest. The lake system is believed to extend 25 miles (40 kilometers).
A Texas-size asteroid may have sparked a U.S.-size landslide on ancient Mars, says a new study that hints at the origin of a mysterious red planet region.
The discovery of microscopic diamonds in 12,900-year-old soil supports the controversial idea that comet swarms caused a die-off of ice age mammals, a new study says.