In the 1960s, astronomers began noticing a pervasive microwave background visible in all directions. Thereafter known as the Cosmic Microwave Background (CMB), the existence of this relic radiation confirmed the Big Bang ...
Astronomy
Apr 21, 2023
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Astronomers using data from NASA's Chandra X-ray Observatory and other telescopes have identified a new threat to life on planets like Earth: a phase during which intense X-rays from exploded stars can affect planets over ...
Astronomy
Apr 20, 2023
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The iconic image of the supermassive black hole at the center of M87—sometimes referred to as the "fuzzy, orange donut"—has gotten its first official makeover with the help of machine learning. The new image further exposes ...
Astronomy
Apr 13, 2023
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A new paper published by Florida Tech astrobiologist Manasvi Lingam examines a core question: Is technology-based intelligence more likely to evolve on land or in water?
Astrobiology
Apr 12, 2023
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An array of 350 radio telescopes in the Karoo desert of South Africa is getting closer to detecting the "cosmic dawn"—the era after the Big Bang when stars first ignited and galaxies began to bloom.
Astronomy
Apr 12, 2023
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A gamma-ray burst is the most violent explosion in the universe. The research on gamma-ray bursts, including a central engine, magnetized dynamics of plasmas, and radiation, is one of the hot topics in the high-energy astrophysical ...
Astronomy
Apr 10, 2023
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31
Exotic cosmic objects known as ultra-luminous X-ray sources produce about 10 million times more energy than the sun. They're so radiant, in fact, that they appear to surpass a physical boundary called the Eddington limit, ...
Astronomy
Apr 6, 2023
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Radio emission, carrying a wealth of information, is critical for understanding the physical process of various outbursts. The electron cyclotron maser emission (ECME) plays an important role as a coherent radiation mechanism ...
Astronomy
Mar 31, 2023
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50
University of Toronto researcher Amanda Cook has found a way to use bright signals coming from across the universe to weigh the atmosphere of the Milky Way galaxy.
Astronomy
Mar 30, 2023
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357
On Earth, wind can transport particles of dust and debris across the planet, with sand from the Sahara ending up in the Caribbean or volcanic ash from Iceland being deposited in Greenland. Wind can also have a big impact ...
Astronomy
Mar 29, 2023
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