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Posts by
Editors of EarthSky
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
Was ‘Oumuamua a comet? Avi Loeb responds to new research
A March 22 study suggests that 'Oumuamua, which passed us in 2017, was a comet from another solar system. Harvard astronomer Avi Loeb strongly disagrees.
March 24, 2023
Does a green sky predict a tornado is coming?
If you see a foreboding, green sky, it's best to take cover. A tornado might not be approaching, but green skies can be a sign of hail and other bad weather.
March 23, 2023
Is a solar flare the same thing as a CME?
Solar Cycle 25 is fairly active now, and that means more solar activity. So, what's the difference between a solar flare and a coronal mass ejection (CME)?
March 22, 2023
Active volcanoes on Venus found in Magellan data
Scientists have evidence for an active volcanic vent on a known Venus mountain. It's the first direct evidence of active volcanoes on Venus!
March 15, 2023
Another atmospheric river is slamming California
Another atmospheric river will slam California today, March 14, 2023, bringing dangerous rainfall amounts and additional flooding.
March 14, 2023
Atmospheric rivers now have intensity rankings
Scientists are pushing an intensity scale for atmospheric rivers, much like the hurricane intensity scale. They think it'll help keep people safer.
March 12, 2023
The science of kissing and why it’s good for you
Why does kissing feel good? Watch this video - the science of kissing - to learn why humans are drawn to puckering up and that it's good for you.
February 14, 2023
Why love really is a drug
On this Valentine's Day, watch a video about certain chemicals - including dopamine, oxytocin and vasopressin - making you feel good around someone you love.
February 14, 2023
Chuck Yeager – personification of the ‘right stuff’ – born 100 years ago
Chuck Yeager, a military test pilot, became the first to break the sound barrier on October 14, 1947. Afterwards, he was dubbed "the fastest man alive."
February 12, 2023
