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EarthSky Voices

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.

EarthSky Voices

January 18, 2026

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.

EarthSky Voices

January 15, 2026

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.

EarthSky Voices

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.

EarthSky Voices

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.

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