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Bus-sized asteroid buzzed past Earth on Thursday
A bus-sized asteroid safely passed Earth less than 1/4 the distance to the moon at 12:52 UTC (7:52 am CDT) on October 12, 2023.
October 12, 2023
Biggest solar superstorm yet, glimpsed in ancient tree rings
Researchers analyzing tree rings discovered the biggest solar superstorm known so far. If it hit today, it would wreck some critical human infrastructure.
October 11, 2023
Argentina wildfire threatens city of Villa Carlos Paz
An Argentina wildfire was encroaching on the city of Villa Carlos Paz on October 11, 2023. Drone footage showed flames and a "wall of fire" near the city.
October 11, 2023
Boo to a goose. Facial recognition used to study wildlife
Facial recognition software used to study the social behavior of individual geese in Europe will soon be used to monitor rare geese in South Australia.
October 5, 2023
Bubble nebula: Why image an object again?
Astrophotographer Steven Bellavia captured images of the Bubble nebula in 2018 and 2023. Here, he explains why astrophotographers target the same object twice.
October 3, 2023
Astronomers have noctalgia (sky grief), or sadness at the loss of dark skies
Astronomers are using a new word to express their grief over the loss of dark skies: noctalgia. Learn more about sky grief here.
September 29, 2023
A Dyson sphere harvests the energy of stars
A Dyson sphere is a megastructure that could theoretically harvest all the energy of a star and supply an advanced alien civilization.
September 29, 2023
Avi Loeb and ‘Oumuamua. Why the controversy?
Astronomer Jason Wright, of the blog AstroWright, explains why the recent work of Avi Loeb is seen as outrageous by some.
September 24, 2023
Pablo Neruda, a poet who embraced cosmic beauty
Pablo Neruda was a famous Chilean poet who wrote: "Every day you play with the light of the universe." Neruda died on this date, September 23, in 1973.
September 23, 2023
Happy Friday the 13th: It’s the 2nd one in 2023
When a year with 365 days starts on a Sunday, like 2023, it's inevitable Friday the 13th will occur twice. In 2023 Friday the 13th comes in January and October.
September 13, 2023
