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Posts by
EarthSky Voices
What is wet-bulb temperature? And how hot is too hot?
The wet-bulb temperature is a measure of the deadly combined effects of temperature and humidity. See an interactive map here.
August 8, 2023
Why people believe UFOs are extraterrestrial: A sociologist responds
Sociologist Barry Markovsky unpacks the reasons why UFOs (UAPs) are so popular and why people "want to believe." Read more here.
July 23, 2023
Algae bloom covers half of Florida’s largest lake
An algae bloom in Lake Okeechobee - Florida's largest freshwater lake - covered more than half the lake in June and July. Learn more about the algae here.
July 19, 2023
Astronomers see time moving in slow motion in early universe
Astronomers have observed quasars "ticking slowly" in the early universe. Seeing time moving in slow motion is another confirmation of special relativity.
July 9, 2023
99% of the world’s population in sunlight July 8 … and other dates
Fact-checkers at timeanddate.com discovered 99% of the world's population experiences some sunlight at 11:15 UTC on July 8 ... along with many other dates!
July 4, 2023
1st Saturn image from Webb highlights glowing rings
Webb has taken its 1st Saturn image! This infrared view shows Saturn's rings shining bright in a golden light. You can also spot some of Saturn's moons.
July 1, 2023
What is a derecho? A destructive, bow-shaped storm
A derecho tore across the Midwest on June 29, 2023. These dangerous storms pack strong winds and race over large areas of land. Learn more about derechos here.
June 29, 2023
Found! Long-sought gravitational wave background
Found at last! For the 1st time, researchers using pulsar timing arrays have found evidence for the elusive gravitational wave background.
June 29, 2023
What is a heat dome? Southern U.S. feeling its effects
What is a heat dome and how does it affect those who are living under one? Learn more about this meteorological phenomenon here.
June 29, 2023
Uploading our minds to a computer may someday be possible
Scientists say that uploading our minds to a computer might one day be possible. But how soon will it be a reality? Learn more here.
June 28, 2023
