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EarthSky Voices

Space

Iconic Ring nebula holds a mysterious iron bar, study finds

Scientists have discovered a mysterious bar of iron hidden within the iconic Ring nebula. It's not yet clear what created it.
Space

This galaxy cluster provides a lens on distant space

The Webb space telescope has imaged the stunning galaxy cluster MACS J1149, putting a spotlight on its prominent gravitational lensing.

Giant gas cloud holds mysterious object, astronomers say

Astronomers witnessed a giant gas cloud pass in front of its star. A mysterious object is hidden in the gas cloud: likely a planet, brown dwarf or small star.

Deepfakes are flooding the web, and anyone can make them

Deepfakes are AI-generated images and videos that can fool viewers into believing they're real. They're exploding on the internet, and anyone can create them.

See lightning forms from the traditional to bizarre

Beyond bolts, there are many lightning forms that you might see, including red sprites, blue jets and more. Read about them and see examples here.

SETI@home takes a closer look at 100 notable signals

The SETI@home project is taking a 2nd look at 100 notable signals. Researchers are using China's FAST radio telescope to prepare for future surveys.

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.

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.
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.

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.