For a long time, our understanding of the universe's first galaxies leaned heavily on theory. The light from that age only reached us after traveling for billions of years, and on the way, it was obscured and stretched into ...
Astronomy
Feb 16, 2024
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51
In several billion years, our sun will become a white dwarf. What will happen to Jupiter and Saturn when the sun transitions to become a stellar remnant? Life could go on, though the giant planets will likely drift further ...
Planetary Sciences
Jan 31, 2024
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81
A new treasure trove of Webb images has arrived. Near- and mid-infrared images show off every facet of these face-on spiral galaxies.
Astronomy
Jan 29, 2024
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117
There's an incredibly ancient black hole out there that's challenging astronomers to explain how it could exist only 400 million years after the Big Bang. It's at the heart of a galaxy called GN-z11. Astronomers using JWST ...
Astronomy
Jan 23, 2024
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40
Sometimes astronomers come across objects in the sky that we can't easily explain. In our new research, published in Science, we report such a discovery, which is likely to spark discussion and speculation.
Astronomy
Jan 20, 2024
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68
For humans, the chance of giving birth to multiples is less than 2%. The situation is different with stars, especially with particularly heavy stars. Astronomers observe stars that are many times heavier than the sun in more ...
Astronomy
Jan 16, 2024
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32
Astronomers have completed the largest and most detailed study of what triggers stars to form in the universe's biggest galaxies, using NASA's Chandra X-ray Observatory and other telescopes. They were surprised to find that ...
Astronomy
Jan 12, 2024
1
171
Astronomers have found a direct link between the explosive deaths of massive stars and the formation of the most compact and enigmatic objects in the universe—black holes and neutron stars. With the help of the European ...
Astronomy
Jan 11, 2024
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78
The universe's very first stars had an important job. They formed from the primordial elements created by the Big Bang, so they contained no metals. It was up to them to synthesize the first metals and spread them out into ...
Astronomy
Dec 20, 2023
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64
On a vast ice sheet in Antarctica, scientists and engineers are preparing a NASA experiment called GUSTO to explore the universe on a balloon. GUSTO will launch from the Ross Ice Shelf, near the U.S. National Science Foundation's ...
Astronomy
Dec 19, 2023
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