Astronomers investigating one of the most pressing mysteries of the cosmos—the rate at which the universe is expanding—are readying themselves to study this puzzle in a new way using NASA's Nancy Grace Roman Space Telescope. ...
Astronomy
Feb 7, 2024
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UGC 3912 is classified as a spiral galaxy, but you wouldn't know it from this detailed NASA Hubble Space Telescope image. UGC 3912's distorted shape is typically indicative of a gravitational encounter with another galaxy. ...
Astronomy
Feb 1, 2024
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Using various ground-based telescopes, astronomers have performed photometric and spectroscopic observations of a nearby Type Ia supernova known as SN 2020nlb. Results of the observations campaign, presented January 16 on ...
This image features a relatively small galaxy known as UGC 5189A, which is located about 150 million light-years away in the constellation Leo. This galaxy was observed by the NASA/ESA Hubble Space Telescope to study a supernova ...
Astronomy
Jan 19, 2024
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Perhaps the greatest and most frustrating mystery in cosmology is the Hubble tension problem. Put simply, all the observational evidence we have points to a universe that began in a hot, dense state, and then expanded at ...
Astronomy
Jan 17, 2024
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What is the universe made of? This question has driven astronomers for hundreds of years.
Astronomy
Jan 13, 2024
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Over ten years ago, the Dark Energy Survey (DES) began mapping the universe to find evidence that could help us understand the nature of the mysterious phenomenon known as dark energy. I'm one of more than 100 contributing ...
Astronomy
Jan 9, 2024
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Researchers at Swinburne University of Technology have contributed to a landmark study that complicates our understanding of the universe.
Astronomy
Jan 9, 2024
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A colorful, festive image shows different types of light containing the remains of not one, but at least two exploded stars. This supernova remnant is known as 30 Doradus B (30 Dor B for short) and is part of a larger region ...
Astronomy
Jan 3, 2024
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In November 2023, the James Webb Space Telescope observed a massive cluster of galaxies named MACS J0138.0-2155. Through an effect called gravitational lensing, first predicted by Albert Einstein, a distant galaxy named MRG-M0138 ...
Astronomy
Dec 21, 2023
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