This NASA/ESA Hubble Space Telescope image reveals the subtle glow of the galaxy named IC 3430, located 45 million light-years from Earth in the constellation Virgo. This dwarf elliptical galaxy is part of the Virgo cluster, ...
Astronomy
Aug 5, 2024
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Today, enormous stretches of space are crystal clear, but that wasn't always the case. During its infancy, the universe was filled with a "fog" that made it opaque, cloaking the first stars and galaxies. NASA's upcoming Nancy ...
Astronomy
Jul 25, 2024
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Astronomers have untangled a messy collision between two massive clusters of galaxies in which the clusters' vast clouds of dark matter have decoupled from the so-called normal matter. The two clusters each contain thousands ...
Astronomy
Jul 24, 2024
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What is dark matter? Even for astrophysicists, it's a question that remains unanswered. These invisible particles make up most of the matter in the universe and about a quarter of the universe as a whole. They are thought ...
Astronomy
Jul 24, 2024
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This NASA/ESA Hubble Space Telescope image features the dwarf irregular galaxy NGC 5238, located 14.5 million light-years from Earth in the constellation Canes Venatici. Its unexciting, blob-like appearance seems to resemble ...
Astronomy
Jul 19, 2024
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Measuring the distance to truly remote objects like galaxies, quasars, and galaxy clusters is a crucial task in astrophysics, particularly when it comes to studying the early universe, but it's a difficult one to complete.
Astronomy
Jul 12, 2024
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It's time to take a cosmic road trip using light as the highway and visit four stunning destinations across space. The vehicles for this space get-away are NASA's Chandra X-ray Observatory and James Webb Space Telescope.
Astronomy
Jul 11, 2024
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Using NASA's Chandra X-ray spacecraft, astronomers from the University of Alabama in Huntsville have observed a merging galaxy cluster known as SPT-CLJ 2031-4037. They detected a rarely seen strong shock front in this galaxy ...
An international team of astronomers has used the NASA/ESA/CSA James Webb Space Telescope to discover gravitationally bound star clusters when the universe was 460 million years old. This is the first discovery of star clusters ...
Astronomy
Jun 24, 2024
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An international team of astronomers has employed the Australian Square Kilometer Array Pathfinder (ASKAP) radio telescope to perform radio observations of a galaxy cluster known as Abell S1136. Results of the observation ...
