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Posts by
EarthSky Voices
Hubble finds an Einstein ring
The arcs you see at the center of this Hubble Space Telescope image are created by the light of distant galaxies, distorted to form what's called an "Einstein ring."
April 11, 2018
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."
April 8, 2018
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.
April 4, 2018
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.
April 1, 2018
Mysterious skeleton is human, not alien
It turns out that this strange tiny skeleton is without a doubt human.
March 28, 2018
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.
March 25, 2018
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.
March 14, 2018
Measuring universe expansion reveals mystery
Is something unpredicted going on in the depths of space?
March 11, 2018
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.
March 7, 2018
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.
March 3, 2018
