Remember the "Wow!" signal? That high-energy radio signature occurred in 1977, when Earth was much "quieter" in the radio band. If it happened today, it probably wouldn't even move the needle on the background noise of human ...
Astronomy
Aug 19, 2026
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66
You may have heard the phrase "we are made of star-stuff." This statement by the astronomer Carl Sagan refers to the fact that elements heavier than hydrogen and helium were forged in the centers of the first stars. But how ...
Astronomy
Aug 16, 2026
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42
A tiny UK-developed satellite, roughly the size of a small carry-on suitcase, could help answer one of the biggest questions in cosmology: What happened during the roughly 150 million years of the cosmic dark ages, before ...
Astronomy
Aug 14, 2026
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57
Every year, thousands of satellites are launched into orbit around our planet. The result is an increasingly congested "space" above Earth populated by equipment that provides services to the surface. At the same time, these ...
Space Exploration
Jul 30, 2026
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10
Scientists have reacted with alarm to news that the British government will cut funding to the world-famous radio telescope at the Jodrell Bank Observatory, a UNESCO World Heritage Site in northwest England that has been ...
Astronomy
Jul 28, 2026
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Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio spectrum that has not recently been explored.
Astronomy
Jul 23, 2026
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61
Scientists have successfully demonstrated a breakthrough in how sensitive radio telescopes can be used to significantly improve the world's ability to detect, track and characterize satellites and space debris in orbit.
Astronomy
Jul 22, 2026
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30
The U.S. National Science Foundation National Radio Astronomy Observatory (NSF NRAO) has completed observations for the Very Large Array Sky Survey (VLASS), the most detailed radio survey of the sky ever conducted, providing ...
Astronomy
Jul 14, 2026
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9
There are parts of the universe that are extremely hard to see, even for our most advanced telescopes. Gas and dust don't emit light and are visible only by the light they block from stars and galaxies. Magnetic fields are ...
Astronomy
Jul 14, 2026
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13
With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we have the potential to see (or in some cases, listen) farther and more clearly than ever before. ...
Astronomy
Jul 6, 2026
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