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EarthSky Voices
Whoa! Universe’s expansion slowing down?! See a video
We thought we lived in a rapidly accelerating expanding universe after all. But new research suggests the universe's expansion is already slowing.
November 14, 2025
Black hole record: Brightest and most distant flare yet
Astronomers have found the biggest and most distant black hole flare yet. It was likely caused by a massive star too close to a supermassive black hole.
November 9, 2025
Look out our galaxy’s south window, into intergalactic space
Use the Great Square of Pegasus to locate Fomalhaut. Then you're on your way to looking out our galaxy's south window into intergalactic space.
November 9, 2025
A view of the Milky Way galaxy in unprecedented radio color
Astronomers released a new radio view of our Milky Way galaxy on October 29, 2025. It's the largest low-frequency radio color image of the Milky Way yet.
October 30, 2025
Why were prehistoric insects so enormous?
Hundreds of millions of years ago, giant insects were common on Earth. In fact, prehistoric insects were here before the dinosaurs!
October 29, 2025
Madagascar: The island split in 2 by time
A new study found Madagascar formed after 2 great rifting events. First it tore from Africa 170 million years ago and then from India 90 million years ago.
October 24, 2025
This dead star is still shredding its planetary system
Astronomers have discovered a dead star is still shredding the remains of its ancient planetary system. The metallic debris is spiraling onto the white dwarf.
October 23, 2025
Covid vaccine could help cancer patients fight tumors
A new study has found that the Covid vaccine stimulated the immune system of cancer patients to attack tumors. Read more about this encouraging research.
October 22, 2025
Here’s where popular witch icons originated
Witch icons like black hats, cauldrons, broomsticks and black cats stem from medieval fears and still haunt Halloween and pop culture today.
October 22, 2025
Reflect Orbital says it will deliver sunlight on demand
The startup company Reflect Orbital has proposed putting hundreds of thousands of satellites with mirrors in space to illuminate areas of Earth at night.
October 17, 2025
