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Posts by
EarthSky Voices
Rare quadruple star system could unlock brown dwarf mystery
A quadruple star system consisting of 2 red dwarfs and 2 brown dwarfs offers insight in the mystery of brown dwarfs, also known as failed stars.
August 21, 2025
Iberian Peninsula wildfires bring smoky skies to Europe
See a satellite view from space showing the Iberian Peninsula wildfires and the smoke that is degrading air quality in the region.
August 21, 2025
‘Eye of Sauron’ blazar is source of a powerful cosmic jet
Astronomers have captured an image of the origin of a cosmic jet. The image resembles the Eye of Sauron from the Lord of the Rings.
August 19, 2025
New type of supernova, as a black hole triggers a star explosion
Astronomers believe they've found a new type of supernova. They say it exploded as a star tried to envelop its black hole companion.
August 15, 2025
Meet intermediate black holes: Between stellar and massive
Intermediate-mass black holes have masses between stellar black holes and supermassive black holes. They are rare and hard to detect.
August 12, 2025
Why flash floods in the U.S. have been extreme in 2025
Parts of the United States have seen extreme flash floods in 2025. Get the reasons why from a scientist who studies extreme precipitation events.
August 10, 2025
Space
Analyzing binary stars with AI brings new insights
Scientists say AI could be used to massively decrease the time it takes to compute the properties of the complext orbits of binary stars.
August 8, 2025
Meet a monster black hole at the dawn of time
Astronomers have spotted a monster black hole at the dawn of time. It currently holds the record for earliest confirmed black hole. More here.
August 8, 2025
Spaceflight
Europa Clipper successfully tests radar during Mars flyby
Europa Clipper tested its radar during a Mars flyby in March 2025. The newly announced results show the instrument is working as hoped.
August 4, 2025
World megaflash lightning record set in U.S.
On July 31, 2025, the World Meteorological Organization certified a new lightning record for the longest lightning bolt, 515 miles (829 km) in extent.
August 3, 2025
