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This spectacular spiral galaxy is Messier 83, also known as the Southern Pinwheel. New research on this galaxy may help explain how galaxies are able to sustain star formation over

Mario Rana in Virginia captured this frame of Saturn at 5:07:56 a.m. EDT (9:07:56 UTC) on July 5, 2025. See that bright flash on the limb indicated by the blue

This is a Hubble image of the spiral galaxy M100. This spiral galaxy in Coma Berenices is about 56 million light-years away. It has a supermassive black hole at its

View larger. | Artist’s illustration of the Mars Reconnaissance Orbiter (MRO). The Mars orbiter is using a new rolling maneuver – turning it essentially upside down – to help it

Artist’s concept of exoplanet HIP 67522 b, a planet with a death wish. It triggers flares of radiation from its star. Image via Danielle Futselaar/ ESA. Used with permission. Astronomers

Recent studies have hinted that at least some Type Ia supernovae could be best explained by a double explosion. And now astronomers have captured a new image proving this hunch

View larger. | This is the new composite image of the Andromeda galaxy. It combines images from various telescopes in X-ray, infrared, ultraviolet, optical and radio waves. Image via X-ray:

This is the path of the new interstellar object A11pI3Z through the inner solar system. Image via Catalina Sky Survey/ University of Arizona/ David Rankin on Bluesky. New interstellar object

View larger. | This image shows a clay-rich mesa in Hellas basin on Mars. A new study led by researchers at The University of Texas at Austin shows that such

Watch a video about the 1908 Tunguska explosion. The Tunguska explosion: June 30, 1908 On June 30, 1908, the largest asteroid impact in recorded history occurred on a warm summer