There are few better sights in nature than December’s night sky. Bright stars like Betelgeuse, Capella, Aldebaran, Sirius and the stars of Orion’s Belt dominate the night sky after dark, but over the two weeks from Dec. 20, 2025 to Jan. 4,…
Category: 7. Science
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UAH Researchers Use New X-ray Telescope To Probe Dark Matter Decay
Scientists search for “decaying” dark matter (DDM) because it offers unique signatures like specific X-ray or gamma-ray lines or neutrino signals not seen in normal matter, potentially revealing dark matter’s particle nature, mass and…
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Glowing neurons let scientists watch the brain work in real time
About ten years ago, researchers began exploring a bold idea: using bioluminescent light to see what the brain is doing in real time. Instead of shining light onto brain tissue from the outside, they wondered whether neurons could be made to glow…
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Interstellar comet 3I/ATLAS heads for the outer solar system after its closest approach to Earth
On Friday (Dec. 19), the interstellar invader, comet 3I/ATLAS, made its closest approach to Earth, coming to within 168 million miles (270 million kilometers) of our planet at 1 a.m. EST (0600 GMT).
Following this close approach and the…
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Brain scans reveal where taste and smell combine to become flavor
activate: (in biology) To turn on, as with a gene or chemical reaction.
algorithm: A group of rules or procedures for solving a problem in a series of steps. Algorithms are used in mathematics and in computer programs for figuring out…
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Author Correction: Cryo-EM structure of a natural RNA nanocage
In the version of the article initially published, in Fig. 2a, the colours of the dark green and pink boxes were switched and have now been corrected. In Fig. 3c, the top structure and labels were purple and the bottom ones light blue, but the…
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From biting flies to feathered dinosaurs, scientists reveal 70 new species
A new species of mouse opossum with an exceptionally long nose and tail, Marmosa chachapoya. Credit: © Pedro Peloso From biting fruit flies and a tiny long-nosed mouse opossum to a feathered dinosaur preserved with evidence…
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From biting flies to feathered dinosaurs, scientists reveal 70 new species
A new species of mouse opossum with an exceptionally long nose and tail, Marmosa chachapoya. Credit: © Pedro Peloso From biting fruit flies and a tiny long-nosed mouse opossum to a feathered dinosaur preserved with evidence…
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Betelgeuse and the Crab Nebula: Stellar Death and Rebirth
What happens when a star dies? In 2019, Betelgeuse dimmed in brightness, sparking speculation that it may soon explode as a supernova. While it likely won’t explode quite yet, we can preview its fate by observing the nearby Crab…
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Ursid meteor shower 2025: When and where to see ‘shooting stars’ on the longest night of the year
If you’re stargazing late overnight on Dec. 21-22, keep an eye out for “shooting stars” as the annual Ursid meteor shower peaks.
Although the Ursids are active from Dec. 13 through Dec. 26, the peak night coincides with the winter solstice,…
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