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EarthSky Voices

Look up: It’s a satellite!

"I use the Heavens Above astronomy site or the Starry Night app to check on satellites ... they are fun to spot."

Does space weather threaten high-tech life?

The wired Earth of the 21st century is at the mercy of the volatile nature of the sun, says a scientist who studies solar storms.

The amazing feathers of an outlandish bird

The super-black feathers of Birds of Paradise absorb almost every last bit of light that strikes them. This black is so dark your eyes can't focus on its surface.

Mysterious skeleton is human, not alien

It turns out that this strange tiny skeleton is without a doubt human.

TRAPPIST-1 planets provide clues to habitable worlds

All 7 of the TRAPPIST-1 planets are Earth-sized and terrestrial, making them an ideal focus of study for planet formation and potential habitability.

Mexico City earthquake was rare ‘bending’ quake

A new study on the 2017 quake that killed 300 in Mexico City finds that both its location and cause were unusual. But seismologists say it could happen again.

Measuring universe expansion reveals mystery

Is something unpredicted going on in the depths of space?

Melting permafrost might unleash carbon within decades

Permafrost in the coldest northern Arctic will thaw enough to become a permanent source of carbon to the atmosphere in this century, says a study.

A signal from the 1st stars

It’s potentially one of the most exciting astronomical discoveries of the decade. Astronomers have detected a signal from the 1st stars to form in the universe.

What the flu does to your body

What's going on inside your body that brings such pain and malaise? An immunologist explains why the flu makes you feel so awful.

2026 Donation Campaign

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