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This image, which the European Southern Observatory released on March 27, 2024, shows the supermassive black hole at the center of our Milky Way in polarized light. A new mission

An international team of astronomers, led by The University of Texas at Austin’s Cosmic Frontier Center, has identified the most distant black hole ever confirmed. It and the galaxy it

View larger. | This image, taken by NASA’s Mars Reconnaissance Orbiter (MRO), shows a glacier on Mars flowing downhill between 2 ridges. A new study says glaciers on Mars are

During its flyby of Mars in March 2025, the Europa Clipper spacecraft tested its radar instrument. This is a small section of the image it successfully produced of Mars’ surface.

The European Southern Observatory’s (ESO) Paranal Observatory lies under some of the darkest and clearest skies in the world, in Chile’s Atacama Desert. But now, light pollution from a new

There are 60 Starlink satellites nestled in the cargo bay of this Falcon 9 rocket, which is about to enter orbit. Image via SpaceX/ Wikimedia Commons (CC0 1.0 Universal). SpaceX’s

View larger. | This artist’s concept shows the 5 planets in the L 98-59 system. A team of astronomers led by the Trottier Institute for Research on Exoplanets (IREx) at

EarthSky’s Dave Adalian talks with astrophysicist David Rubin about new evidence that dark energy might evolve over time. Type Ia supernovae let us precisely measure cosmic distances, and gave us

This is Apep, a multiple star system in the direction of the small, southern constellation Norma. Apep is named for an ancient Egyptian deity (Apep, aka Apophis), the embodiment of

Here we present 10 cool things about stars! 1. Every star you see in the night sky is bigger and brighter than our sun Of the 5,000 or so stars