Atmospheric propagation errors are a main constraint on the accuracy of very-long-baseline-interferometry astrometry. For relative astrometry, differential techniques can mitigate these errors, but their effectiveness diminishes with decreasing…
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Serial MultiView: An Efficient Approach to Mitigating Atmospheric Spatial-structure Errors for Very-long-baseline-interferometry Astrometry
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Drone Beam Mapping of the TONE Radio Dish Array
Drone-based beam measurements are a promising avenue to tackle the critical challenge of calibration for 21 cm cosmology telescopes. In this paper, we introduce a new drone-based calibration system for 400–800 MHz radio observatories,…
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Collision between the Milky Way and Andromeda galaxy is less likely than it seems, study shows
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more.
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Scientists Crack Mystery of Earth’s Smallest Dunes
Mini sand dunes form from bouncing sand on hard surfaces. A new model explains their growth on both Earth and Mars. A new study led by the University of Southampton, in collaboration with research institutes in France, has revealed how mini sand…
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The Little-known “Dark Roof” Lobby May Be Making Cities Hotter
It began with a lobbyist’s pitch.
Tennessee Rep. Rusty Grills says a lobbyist proposed a simple idea: repeal the state’s requirement for reflective roofs on many commercial buildings. In late March, Grills and his fellow lawmakers voted to…
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Influencer Urges Parents to Give Kids Bleach to Treat Autism Despite Reports of Vomiting, Suffering Seizures: Report
A social media influencer is under fire for promoting a dangerous and discredited chemical as a so-called “autism cure,” despite alarming reports of serious harm to children.
Kerri Rivera, who has over 17,000 followers on Instagram,…
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Forever young? The amphibian that halts the biological clock
In most animals, aging is marked by noticeable changes—such as a gradual decline in health and physiological function. But the axolotl (Ambystoma mexicanum), an amphibian in the salamander suborder, stands out as a rare exception.It likely…
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Neuralink rival completes successful human brain implant surgery
Elon Musk’s Neuralink isn’t the only contender in the brain-tech race. Paradromics has entered the arena with its first human brain-computer interface (BCI) implant.
The neurotechnology startup on Monday announced that it successfully…
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New Duckbilled Dinosaur Species Discovered: Taleta taleta
Paleontologists have identified a new genus and species of small lambeosaurine hadrosaurid dinosaur from two fossilized jaws found in Morocco.
An artist’s reconstruction of Taleta taleta. Image credit: Connor Ashbridge.
Taleta taleta lived…
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Tsunami Detected From a Ship? Scientists Make Historic Breakthrough
Scientists have, for the first time, detected a landslide-generated tsunami using satellite data from a research ship. Landslide-triggered tsunamis are a real danger for coastal communities, especially in narrow fjords where steep cliffs can trap…
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