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EarthSky Voices

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.

EarthSky Voices

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.

EarthSky Voices

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.

EarthSky Voices

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.

EarthSky Voices

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.

EarthSky Voices

January 6, 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.

EarthSky Voices

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.

EarthSky Voices

January 1, 2026

Learn how to shoot photos of meteors

Want to shoot photos of meteors with your camera? The first step is planning. The next step is to gather your equipment. Then on to the capture process.

EarthSky Voices

January 1, 2026