A magnetic reversal 42,000 years ago helped bring about earthly extinctions, scientists said, accompanied by changes in the sky including electrical storms and widespread auroras. "It would have been scary," they commented.
Astronomers have spotted “something” near Alpha Centauri A, in the star system nearest our Earth and sun. If it turns out to be a planet, it'll be the first time a planet has been directly imaged within the habitable zone of a star.
2021 has brought a deadly avalanche season. "We're only halfway through the season and we're 3/4 of the way to the number of fatalities we'd see in a typical year. The dangerous, record-breaking year keeps avalanche forecasters up at night," one expert said.
The Dyatlov Pass incident has intrigued people for generations, but a new theory pointing to a slab avalanche as the culprit does a thorough job of explaining how the 9 Russian trekkers died. A new video and more here.
A moon rock collected by Apollo astronauts during the first moon landing is enshrined in a stained-glass window - known as the Space Window - in the Washington National Cathedral.
Most of the planets in our solar system have some sort of atmosphere and many have dynamic weather systems. But only one moon in the solar system, Saturn's large moon Titan, can say the same.
Kelly Kizer Whitt writes and edits some of the most fascinating stories at EarthSky.org. She's been writing about science, with a focus on astronomy, for decades. She began her career at Astronomy Magazine and made regular contributions to other outlets, including AstronomyToday and the Sierra Club. She has nine published books, including a children's picture book, Solar System Forecast, and a young adult dystopian novel, A Different Sky.