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This artist’s impression shows a star going supernova. About 22 million light-years away, the supernova – SN 2024ggi – exploded in the galaxy NGC 3621. Using the ESO’s Very Large

https://earthsky.org/upl/2025/11/SolarsystemmovingthroughgalaxyTonyDunn-resize-video.mp4 This video shows our solar system moving through the galaxy. The view is from a hypothetical vantage of a typical interstellar object in the sun’s vicinity. Illustration via Tony

This image, which the European Southern Observatory (ESO) released on March 27, 2024, shows the supermassive black hole at the center of our Milky Way in polarized light. It depicts

Artist’s concept of the Cassini spacecraft sweeping past Saturn’s moon Enceladus and its famous water vapor plumes. In a new analysis of data from the Cassini mission, scientists measured heat

View larger. | Astronomers have created a 3D temperature map of the exoplanet known as WASP-18b. It’s the 1st 3D temperature map ever for any exoplanet. The exoplanet, an ultra-hot

Blue Origin will launch the 2nd flight of its huge New Glenn rocket no earlier than November 9, with the ESCAPADE spacecraft aboard. Current launch window for the ESCAPADE mission:

Artist’s concept of a supermassive black hole in the process of shredding a giant star. Scientists propose this happened around the distant black hole J2245+3743, which in 2018 was seen

EarthSky’s Kelly Kizer Whitt explains how to see Earth’s shadow and the Belt of Venus, in this video. We live in uncertain times. But things are always so much more

Portrait of Edmond Halley circa 1687 by Thomas Murray. Halley is famous for discovering that comets are objects that orbit the sun and can reappear in our skies. Halley’s Comet

Researchers used type Ia supernovas, similar to SN1994d pictured above in its host galaxy NGC4526, to help establish that the universe’s expansion may actually have started to slow. For decades,