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Posts by
EarthSky Voices
Did black holes come before galaxies at the beginning of time?
New research using James Webb Space Telescope data says that black holes might have formed soon after the Big Bang, predating galaxies and stars.
February 11, 2024
Underground nuclear tests now 99% detectable
New science is now able to detect 99% of underground nuclear tests, which will help keep tests from being conducted in secret.
February 11, 2024
Death Star moon Mimas has a hidden ocean
Saturn's little moon Mimas has now become the smallest of the known moons in our solar system harboring a hidden ocean of liquid water beneath an icy surface.
February 9, 2024
Why is the 2024 Lunar New Year so late? Blame the moon
The reason the 2024 Lunar New Year falls so late is the date of new moon and how it aligns with spring in the Chinese calendar.
February 9, 2024
Light pollution causes insects to lose track of the sky
Insects get confused by artificial lighting, thinking it's the sky, and exhaust themselves flying around the light source. What can you do to help?
February 2, 2024
The moon is shrinking, causing moonquakes near planned Artemis landing sites
The moon is shrinking and causing moonquakes and faults near its south pole. But this region is important for future Artemis missions because of ice.
January 28, 2024
Polar vortex disruption due to climate change? Or … why so cold outside?!
Arctic changes associated with global warming have increased the likelihood of disruptions in the polar vortex, which can cause cold snaps in southerly regions.
January 24, 2024
Miles-thick buried water ice at Mars’ equator?
Planetary scientists knew there were massive buried deposits near Mars' equator, but not what they consisted of. New research found that it's buried water ice.
January 19, 2024
The strange story of the grave of Copernicus
Nicholas Copernicus was the astronomer who, five centuries ago, explained that Earth revolves around the sun, rather than vice versa. A true Renaissance man.
January 14, 2024
What are X flares? Can they harm us?
X flares on the sun are the most powerful explosions in the solar system. We're likely to see more of them as we approach solar maximum, possibly due this year.
January 7, 2024
