The Great Oxidation Event took place 2.4 billion years ago when certain bacteria started releasing a large quantity of oxygen ...

A striking image captured by Google Earth shows Earth from a perspective that reveals the planet’s vast blue surface in ...

Chief of Space Operations Gen. B. Chance Saltzman warned Chinese and Russian technologies, especially Beijing’s ‘”kill web,” ...

A serendipitous solar outburst let scientists point the robot’s cameras toward the Red Planet’s sky to spot a feature shared with our Blue Marble.

NASA scientists said Wednesday that they’ve unearthed new secrets about the moon. Specifically, they’ve gotten a better look ...

Scientists say they have figured out the universe’s ‘death date’, when everything we see in the night sky will disappear ...