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EarthSky Voices
Question mark galaxy? Gravity lens creates cosmic graffiti
An unusual occurrence of gravitational lensing created this view of a question mark galaxy. The discovery reveals details about early galactic evolution.
September 13, 2024
Watch a star’s surface bubble in fantastic video and images
For the 1st time, astronomers have watched a star's surface bubble in magnificent detail. The bubbling is hot gases on a star 178 light-years away.
September 12, 2024
Sharks may be hunting other sharks
Researchers uncovered a rare instance of large sharks preying on one another. The finding shows the complexity of shark interactions and resulting impacts.
September 8, 2024
How asteroid Phaethon can spawn the Geminid meteors
Phaethon is a weird asteroid that behaves like a comet. It's also responsible for the Geminid meteor shower. Find out how it does so, here.
September 6, 2024
Underwater robots to explore beneath Antarctic ice
Scientists have designed underwater robots to study ice melt patterns beneath Antarctic ice shelves. They tested the robots in the Arctic Ocean.
September 1, 2024
Probes see fast solar wind getting a magnetic shove
Combined data from ESA and NASA has demonstrated how fluctuations in the sun's magnetic field accelerate and heat the solar wind.
August 30, 2024
New Horizons measures the darkness of deep space
The New Horizons spacecraft - in the far reaches of our solar system - is in a dark enough environment to accurately measure the light of the distant universe.
August 30, 2024
Did black holes make early galaxies blaze really brightly?
According to new analysis of observations by the Webb space telescope, early galaxies' extra brightness may come from the active black holes at their centers.
August 29, 2024
Svalbard is melting above the Arctic Circle
Svalbard is melting. These Norwegian islands are one of the fastest-warming places on Earth. Satellites witnessed rapid melt in the summer of 2024.
August 27, 2024
Polaris, the North Star, has spots on its surface
Observations of Polaris, the North Star, show large bright and dark spots on its surface. It's the first glimpse of the surface of a Cepheid variable.
August 25, 2024
