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Posts by
EarthSky Voices
Space
Juno spots most extreme volcanic activity on Io to date
On a recent flyby, the Juno spacecraft spotted intense volcanic activity on Io, one of Jupiter's moons. It was more extreme than any volcanism ever seen on Io.
January 29, 2025
Space
Marsquakes might explain Mars’ north-south hemisphere differences
Why are Mars' hemispheres so strikingly different? New analysis of marsquakes may have finally offered an explanation for the mysterious 'Martian dichotomy'.
January 24, 2025
What is the pyrocene? An epoch of human-caused fire
The pyrocene is a newly proposed term to describe a geologic epoch forged by the influence of human-caused fire on Earth.
January 23, 2025
Extreme winds on exoplanet reach 20,000 mph
Astronomers found extreme winds on exoplanet WASP-127b reach 20,000 mph (32,000 km/hr). Read more about these supersonic winds here.
January 23, 2025
M41 is a faint star cluster near bright Sirius
Sirius is easy to find. It's the sky's brightest star. If you have binoculars and a dark location, look near it for the open star cluster M41.
January 23, 2025
Andromeda galaxy: Hubble’s largest photomosaic yet
Astronomers have created the largest photomosaic of the Andromeda galaxy yet using Hubble data. The image helps trace the hidden history of Andromeda.
January 21, 2025
Human World
Is social media polarization about to get worse?
Social media behemoth Meta is planning to use crowdsourced 'community notes' for factchecking. Some experts worry this will only increase online polarization.
January 19, 2025
Do aliens exist? What scientists really think
Aliens probably exist according to a survey of more than 1,000 scientists. Nearly 87% of them believe in extraterrestrial life.
January 19, 2025
Freezing rain: The beauty and the danger
What causes the dangerous winter weather - freezing rain - that can down power lines, paralyze cities, bring down trees and cause serious accidents?
January 17, 2025
Space
Little Red Dots might indicate ancient, growing black holes
Astronomers studying Webb's mysterious Little Red Dots have found evidence they could be ancient galaxies with black holes growing at their centers.
January 16, 2025
