During the Little Ice Age, much of the northern hemisphere was plunged into a deep freeze. Winters were so cold that the Thames River in England froze over, and the Vikings had to abandon their settlements in Greenland. Summers were chilly, rainy, and glo

During the Little Ice Age, much of the northern hemisphere was plunged into a deep freeze. Winters were so cold that the Thames River in England froze over, and the Vikings had to abandon their settle

Jupiter has been described as the vacuum cleaner of the solar system. The planets powerful gravity sucks in comets and asteroids. Theyre destroyed as they slam into Jupiters atmosphere. That keeps those objects from possibly threatening Earth and the o

Jupiter has been described as the vacuum cleaner of the solar system. The planet’s powerful gravity sucks in comets and asteroids. They’re destroyed as they slam into Jupiter’s atmos

The star V1355 Orionis is a hothead. It pops off all the time giant eruptions of energy and particles. All of them are superflares many times more powerful than any eruption ever seen from the Sun. And a few years ago, the star produced one of the mos

The star V1355 Orionis is a hothead. It pops off all the time — giant eruptions of energy and particles. All of them are superflares — many times more powerful than any eruption ever seen

Betelgeuse will blast itself to bits as a supernova. Many astronomers agree that that’s likely to happen within the next hundred thousand years. But estimates of the exact timing range from the

Betelgeuse will blast itself to bits as a supernova. Many astronomers agree that thats likely to happen within the next hundred thousand years. But estimates of the exact timing range from the full hundred thousand years to as little as a few decades.Be

Several especially bright stars highlight the eastern sky on January evenings. The list includes Betelgeuse and Rigel in Orion, Pollux and Castor in Gemini, and the brightest star of all, Sirius, in the big dog. For millennia, these and other stars were g

Several especially bright stars highlight the eastern sky on January evenings. The list includes Betelgeuse and Rigel in Orion, Pollux and Castor in Gemini, and the brightest star of all, Sirius, in t