Space
Early-type Be stars form via nonconservative mass transfer in close binaries
Astronomers have argued for decades about how the fastest-spinning ordinary stars in the Galaxy get that way, and a new...
Solar-Wind Density Fluctuations Mapped Worldwide via Scintillation Data, 2008–2022
Billions of tons of plasma leave the Sun every hour, streaming outward as the solar wind and inflating a magnetic...
Downsampling speeds up likelihood approximations for simulated LISA data
Sometime in the mid-2030s, three spacecraft flying in formation around the Sun will start eavesdropping on the gravitational ripples of...
Physicists Unveil a Broader Version of the Aharonov-Bohm Effect
In one of quantum physics' most celebrated demonstrations, electrons can be visibly altered by a magnetic field they never pass...
Smartphone sensors and Raspberry Pi devices combine to detect cosmic rays
Researchers in Japan have turned the cameras inside ordinary smartphones and Raspberry Pi computers into working cosmic ray detectors, demonstrating...
Averaging breaks down near orbital resonances in hierarchical four-body systems
Some of the most trusted long-range forecasts in celestial mechanics rest on a deceptively simple maneuver: average away the rapid...
Scientists test magnetic brakes to slow spacecraft during high-speed reentry
Every time a spacecraft comes home, it does so by riding a wall of fire. A vehicle returning from orbit...
Could Thin-Shell Wormholes Hide Within the Universe’s Emptiest Cosmic Voids?
Traversable wormholes—shortcuts threading space-time like a tunnel through a mountain—have haunted theoretical physics for nearly a century, and every serious...
Scientists Compare MAVEN Mars Upper-Atmosphere Neutral Density and Temperature Datasets
Mars may look like a frozen, airless desert from the ground, but high above its surface the planet’s atmosphere is...
Global Ionospheric TEC Model Developed Using GNSS and FY-3E Data
A new modeling system that combines signals from navigation satellites with observations from a Chinese weather satellite has produced a...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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