Ancient volcanic rocks reveal how two giant hot regions beneath Africa and the Pacific have shaped Earth's magnetic shield.
The end of the dinosaurs was not just a spectacular finish, it was a brutal reset of life on Earth. In the geological instant ...
The Sun has snapped into a hyperactive mood, unleashing a rapid-fire sequence of powerful eruptions just as a volatile sunspot rotates into direct view of Earth. The result is a wild solar flare ...
Dr. Lauren Edgar has already had a remarkable career. She spent 17 years working with the Mars Science Laboratory and Mars Exploration Rovers.
The sun has unleashed a rare sequence of four X-class flares within 48 hours, sparking global alerts for both technological ...
Mercury, Venus, Neptune, Saturn, Uranus and Jupiter will appear together shortly after sunset on Feb. 28 — but is this the "planet parade" we've been waiting for?