The last change in Earth's magnetic field, known as the Laschamps excursion, occurred around 40,000 to 42,000 years ago, ...

Ancient Homo sapiens may have benefited from sunscreen, tailored clothes and the use of caves during the shifting of the ...

The North Pole was one of the last remaining laurels ... Asked how he fixed his position at the pole, Cook said by measuring the sun's altitude in the sky. Would he produce his sextant?

During winter, the North Pole is tilted away from the Sun’s rays. As the Earth travels around the Sun, the tilt gradually causes the northern hemisphere to be illuminated more. By June ...