Astronomers have known for decades that the universe is expanding. When they use telescopes to observe faraway galaxies, they see that these galaxies are moving away from Earth.
Astronomy
Nov 15, 2023
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One of the great unsolved mysteries of cosmology is known as the Hubble tension. It stems from our inability to pin down the precise rate of cosmic expansion. There are several ways to calculate this expansion, from observing ...
Astronomy
Nov 13, 2023
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NASA's James Webb Space Telescope and Hubble Space Telescope have united to study an expansive galaxy cluster known as MACS0416. The resulting panchromatic image combines visible and infrared light to assemble one of the ...
Astronomy
Nov 9, 2023
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Italian astronomers have used the Hubble Space Telescope (HST) to perform high-resolution optical observations of a poorly studied globular cluster known as NGC 6284. Results of the observational campaign, published October ...
This newly released image from the NASA Hubble Space Telescope shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released in honor of Jupiter reaching opposition, which occurs when the planet and the ...
Astronomy
Nov 3, 2023
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The James Webb Space Telescope truly explores the unknown, displaying stunning images of previously unseen corners of the universe only possible because of the telescope's 21-foot segmented mirror that unfurled and assembled ...
Astronomy
Nov 1, 2023
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Data collected by NASA's Juno mission indicates a briny past may be bubbling to the surface on Jupiter's largest moon.
Astronomy
Oct 31, 2023
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To understand the universe, we need to understand the extreme processes that shape it and drive its evolution. Things like supermassive black holes (SMBHs,) supernovae, massive reservoirs of dense gas, and crowds of stars ...
Astronomy
Oct 26, 2023
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The birth of a star is a spectacular event that plays out behind a veil of gas and dust. It's a detailed process that takes millions of years to play out. Once a star leaves its protostar stage behind and begins its life ...
Astronomy
Oct 19, 2023
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Everyone loves a good mystery, and astronomers have just uncovered a new one in a nearby supermassive galaxy called M87. Like most galaxies, M87 regularly plays host to a smattering of stellar explosions called novae, each ...
Astronomy
Oct 9, 2023
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