Some 13.8 billion years ago, the universe began with a rapid expansion we call the Big Bang. After this initial expansion, which lasted a fraction of a second, gravity started to slow the universe down. But the cosmos wouldn't ...
Astronomy
Feb 6, 2024
13
97
The Seven Sisters, as they were known to the ancient Greeks, are now known to modern astronomers as the Pleiades star cluster – a set of stars which are visible to the naked eye and have been studied for thousands of years ...
Astronomy
Aug 25, 2017
0
766
When you look up in the night sky and find your way to the North Star, you are looking at Polaris. Not only is it the brightest star in the Ursa Minor constellation (the Little Dipper), but its position relative to the north ...
Astronomy
Sep 11, 2023
0
189
The long history of severe droughts across Europe and the Mediterranean has largely been told through historical documents and ancient journals, each chronicling the impact in a geographically restricted area. Now, for the ...
Earth Sciences
Nov 6, 2015
0
1063
A team of researchers affiliated with several institutions in South Korea has found a possible reason for West Antarctica warming faster than East Antarctica. In their paper published in the journal Science Advances, the ...
A new study shows a correlation between the end of solar cycles and a switch from El Nino to La Nina conditions in the Pacific Ocean, suggesting that solar variability can drive seasonal weather variability on Earth.
Planetary Sciences
Apr 5, 2021
16
8744
The bright, red star Betelgeuse in the constellation Orion has shown some unexpected behavior. In late 2019 and 2020 it became fainter than we had ever seen it—at least in records going back more than a century. Briefly ...
Astronomy
Jun 12, 2023
0
315
Newly published research shows regional climate variability caused an "unusual" period in which some of New Zealand's glaciers grew bigger, while glaciers worldwide were shrinking.
Earth Sciences
Feb 15, 2017
9
60
A report published in Science has dismissed claims made last year that the first super-Earth planet discovered in the habitable zone of a distant star was 'stellar activity masquerading as planets.' The researchers are confident ...
Astronomy
Mar 6, 2015
1
329
It is well known that large volcanic eruptions contribute to climate variability. However, quantifying these contributions has proven challenging due to inconsistencies in both historic atmospheric data observed in ice cores ...
Earth Sciences
Jul 8, 2015
26
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