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Posts by
EarthSky Voices
Wildfires becoming more frequent in the north: See the maps
See satellite data and maps that show wildfires becoming more frequent in the far north, especially in northern Eurasia. Numbers of fires have skyrocketed.
January 15, 2026
How to detect signatures of alien life in exoplanet air
Astronomers can detect the molecules of distant exoplanets when they pass in front of their stars. These molecules might help reveal signatures of alien life.
January 14, 2026
Space
Strange shock wave around dead star surprises astronomers
Astronomers have spotted a beautiful shock wave around a dead star 730 light-years away. And according to all known mechanisms, this shock wave shouldn't exist.
January 13, 2026
Earliest, hottest galaxy cluster gas could upend models
Astronomers have found the earliest, hottest galaxy cluster gas yet. This scorching gas between galaxies is hotter than expected for so early in the universe.
January 9, 2026
Space
Betelgeuse’s companion star leaves detectable wake
Astronomers have detected the influence of Betelgeuse's companion star, Siwarha, on the gas around the red supergiant star.
January 8, 2026
Cloud-9 is a new type of object: a failed galaxy
Cloud-9 is the 1st example astronomers have found of a failed galaxy. Hubble found the galaxy contains no stars, but it is home to dark matter.
January 7, 2026
Supermassive black holes in all galaxies? Maybe not
A new study looked at 1,600 galaxies and found that the cores of small galaxies are less likely to be home to supermassive black holes.
January 6, 2026
Meteors in moonlight: 6 tips for watching
Meteors in moonlight: it's not optimal, but it's happening for the Taurids in 2025! Here are 6 tips for watching this year's shower.
January 2, 2026
Bright blue cosmic outbursts linked to black holes
Astronomers studying one of the strongest bright blue cosmic outbursts believe they occur in a binary star system where a black hole tears its companion apart.
January 2, 2026
Blaze Star to go nova soon! Here’s how to see it
A recurring nova - long overdue - in Corona Borealis - nicknamed Blaze Star - should appear bright enough to see with the unaided eye sometime in 2026.
January 1, 2026
