JWST, Hubble, radio arrays, and sky surveys revealing the cosmos.
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Weather maps of distant planets are a step closer after the James Webb Space Telescope distinguished hotter and cooler regions around the giant exoplanet WASP-17b. One side of WASP-17b’s atmosphere extends farther into space than the other, giving this…
An unusual radioactive signature has revived an idea Carl Sagan discussed sixty years ago: advanced civilisation might leave evidence of its existence … What If Someone Had Deliberately Altered a Star? An unusual radioactive signature has revived an idea Carl Sagan…
In today's episode of The Quiz, we're testing your knowledge on everything from thermal temperature scales to historic astronomical discoveries. Can you answer these? Northern Frontiers: Prior to its purchase by the United States in 1867, Alaska was a territory of…
Lonely brown dwarfs have water and methane in their skies, but NASA’s SPHEREx data show the best models can’t yet explain their clouds. Brown dwarfs blur the line between stars and planets. A new study finds that the best computer…
From Enrico Fermi’s famous question to mysterious signals, eyewitness accounts, and the search for extraterrestrial life, we explore what the evidence tells us—and what remains beyond our reach. This is a question widely attributed to Enrico Fermi, the Italian-born…
For decades now, scientists have known that huge galaxies often harbor a supermassive black hole at their core – some containing a million, or even several billion, times the mass of our Sun. If that sounds intimidating, just wait. The James…
[Cornell] Mathematical models have necessarily reduced distant exoplanets to idealized circles – until now. “This is proof of concept that planets are in fact 3D objects, and that consistently, as they go around their star, what we predict should be happening is…
Roman will share vast amounts of cosmic data, helping astronomers hunt planets, black holes and clues to dark energy. (CREDIT: NASA) A distant star briefly brightens. A supernova appears in a galaxy. Somewhere else, an unseen object bends passing starlight.
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The emission from the Hubble Ultra Deep Field has no visible counterpart in the archive images. It is not yet possible to determine the distance to its source because only a single emission line has been detected. The signal was…