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.

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.

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.

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.

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.

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.

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.

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.

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.

Morocco earthquake aid is complicated. How to donate

The New York Times reported that Morocco earthquake aid has been slow in coming in some areas. AP put together a great list of places to donate now.