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What is a hybrid eclipse? A total and annular combined
A hybrid eclipse is a solar eclipse that appears as total for some and annular for others, with those farther from the centerline seeing a partial eclipse.
April 9, 2023
Medieval monks’ moon journals aid modern volcano studies
Medieval monks kept detailed nature journals, which included stories of strangely dark lunar eclipses. Today, those old journals are helping researchers pinpoint dates of past volcanic eruptions.
April 7, 2023
The April birthstone is the diamond, the hardest known gem
Happy birthday, April babies! The April birthstone, the diamond, is the hardest of the known gems. And it's the rich cousin of graphite.
April 5, 2023
Severe storms, tornadoes, hail for U.S. Midwest and South
The same areas of the Midwest and Mississippi Valley hit late last week by tornadoes will be facing more severe storms this week.
April 4, 2023
Antarctic meltwater threatens collapse of ocean’s overturning circulation
Scientists said that Antarctic meltwater is slowing ocean currents and threatening the collapse of our vital ocean 'overturning.'
April 3, 2023
Bird migration forecasts get a boost from AI
Researchers use machine learning to track bird migration. Through BirdCast, scientists can inform citizens of when to turn their lights out to protect birds.
April 2, 2023
Severe weather pummels U.S. Midwest and South, 21 dead
Severe weather and tornadoes pummeled the central United States, and into the South, on Friday, March 31, 2023. Images and video here.
April 1, 2023
Tornadoes hard to forecast, but predictions improving
Meteorologists are making improvements in forecasting tornadoes. New tools, such as drones and computer modeling, are aiding improvements.
April 1, 2023
How wildlife can help curb global warming
A new study shows that protecting wildlife can play a huge role in carbon storage and limiting climate change. Read what animals make a big difference.
March 29, 2023
Here’s why rainbows have a curved or arcing shape
Rainbows have a curved shape because they're made from light reflected after hitting spherical raindrops. Learn more about rainbows here.
March 29, 2023
