Scientists have painted the most detailed portrait yet of the planetary system orbiting Barnard’s Star—the sun’s closest neighbor after Alpha Centauri, just under six light-years from Earth.
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Scientists have painted the most detailed portrait yet of the planetary system orbiting Barnard’s Star—the sun’s closest neighbor after Alpha Centauri, just under six light-years from Earth.
A Southwest Research Institute-led study has proposed a connection between a specific collision in the main asteroid belt and an inner-solar-system-wide bombardment episode that may have had measurable biological and geological consequences on Earth. The research suggests that the catastrophic breakup of the Eulalia parent body could be linked to an impact shower that struck the terrestrial planets about 800 million years ago. The work is published on the arXiv preprint server.
The UK Space Agency and space startup Vast just signed an agreement to send Paralympic sprinter and below-knee amputee John McFall into orbit as early as 2027. Most coverage framed it as a victory for inclusion. As a space health researcher, I think something far more interesting happened.
On July 16, 2024, a daytime meteor shook New York City with a sonic boom as it passed just south of the Statue of Liberty. Now, an international team of researchers reports in the journal Science Advances that a short time later, a meteorite weighing more than 2 pounds crashed through the roof of a house in the town of Hillsborough, New Jersey.
NASA’s Perseverance Mars rover has uncovered evidence that a 245-foot-thick (75-meter-thick) stack of ancient rock on the rim of Jezero Crater was built by repeated asteroid impacts. Referred to as the “Broom Point member” by the rover’s science team, this sequence of layered bedrock is likely more than 3.9 billion years old, making it among the oldest terrain ever examined by a Mars rover.
When Flagler County deputies removed her from the cruiser to replace the cuffs, she grabs one of their arms, leading deputies to bring her to the ground
Occasionally, the sun unleashes powerful flares and coronal mass ejections, which hurl plasma and energetic particles into space. On the infant Earth, this solar activity drove cascades of atmospheric chemical reactions that may have helped form the building blocks of life. More recently, scientists have discovered that applying plasma to seeds in a controlled way can trigger similar activity, making them faster-growing and more resilient. Researchers at Nagoya University and Kyushu University in Japan have compiled a comprehensive review of this new field—termed “plasma agriculture”—as a potential sustainable solution to address global food shortages.
Defense attorneys said that delaying the trial would violate former San Antonio officer James Brennand’s right to a speedy trial in the 2022 shooting
Typically, astronomers identify comets by their distinct atmospheres, or comae, and their tails, which are created as the sun vaporizes a comet’s ice. These features emit a glow when sunlight bounces off dust and water droplets. As gas escapes the body of the comet, it also acts as a tiny thruster, subtly changing the comet’s path.
A new study reveals that two widely studied ultrathin superconducting materials are more sophisticated than they appear. Although they seem to behave like simple superconductors with a single energy gap, they actually contain two strongly interacting superconducting states that work together and disguise themselves as one. This finding resolves a long-standing mystery about how these materials behave, providing new insight into superconductivity that could help scientists design better superconducting materials for future technologies such as quantum computers, ultra-efficient electronics and advanced sensors.
The effects of extreme space weather may be larger than previously thought, research in the journal Nature reveals. The paper, titled “Regression to the mean can explain saturation of geomagnetic storms,” is led by Dr. Nithin Sivadas of NASA’s Goddard Space Flight Center and co-authored by Dr. Maria Walach from Lancaster University.
The European Space Agency’s Mars Express has spotted a swath of metallic-looking waves filling Mars’s large Kaiser Crater—an ancient and otherworldly dune field sculpted by wind.
Quantum materials could transform technologies ranging from powerful computers and ultrasecure communications to advanced energy systems. But there has always been one major obstacle.
Lindy Jones, 44, was behind the wheel when his passenger, Guy Rivera, opened fire on Det. Jonathan Diller in March 2024; Jones pleaded guilty to a weapons charge on June 24
European astronomers have conducted optical and radio observations of an enigmatic radio source designated GRS 0917+75. As a result, they found that GRS 0917+75 is a giant radio galaxy and determined its properties. The new findings were published July 3 on the preprint server arXiv.
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