Hemisphere

New Evidence Shows When The Dinosaur-Killing Asteroid Struck

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The Chicxulub asteroid that ended the reign of the dinosaurs is one of the most momentous impact disasters in Earth’s history, and scientists have now identified the time of year when this deadly event took place.   New evidence suggests the asteroid hit in the spring for the Northern Hemisphere, which would be fall (or autumn) … Read more

We May Finally Understand Why Clouds Are Different Between Earth’s Hemispheres

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You might think that clouds are clouds all over Earth, but that’s not quite so. If you’re in the Southern Hemisphere, the clouds there are different, more abundant, and more reflective than clouds found in the Northern Hemisphere, a fact scientists are well familiar with, but have not been able to fully explain.   Now, … Read more

Last 9 Years Are Now Among 10 Hottest Ever Recorded

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The nine years spanning 2013-2021 all rank among the 10 hottest on record, according to an annual report a US agency released Thursday, the latest data underscoring the global climate crisis.   For 2021, the average temperature across global surfaces was 1.51 degrees Fahrenheit (0.84 degrees Celsius) above the 20th-century average, making the year the … Read more

Even Drastic CO2 Cuts Won’t Bring Back The Climate We’ve Lost

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We’re so far down the road of climate change, that even making drastic cuts to atmospheric carbon dioxide levels won’t be enough for the world’s weather systems to fall back into their previous patterns, according to a new study.   But the research also suggests we still can have a huge impact on how severe … Read more

Feast Your Eyes on The Annual Family Portraits Hubble Took of Our Solar System Giants

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Every year, Hubble takes a little time to turn its electronic eyes closer to home. Rather than staring into vast distances across space and time, it focuses on our very own Solar System; specifically, the heavyweight planets that lurk out past the asteroid belt – Jupiter, Saturn, Uranus, and Neptune.   That’s not because they’re … Read more

Winter solstice 2021 brings the year’s longest night to Northern Hemisphere

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The winter solstice of 2021 occurs today (Dec. 21), marking the official beginning of winter in the Northern Hemisphere and it brings good news:  From tomorrow on, days will start getting longer again, taking us out of the darkness as we slowly head towards spring.  The winter solstice marks the moment in Earth‘s orbit around … Read more