A new study led by researchers at the University of Oulu in Finland sheds light on a poorly understood part of space weather: where powerful waves form at the edge of Earth’s magnetic shield and where the solar wind can find a way through.
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A new study led by researchers at the University of Oulu in Finland sheds light on a poorly understood part of space weather: where powerful waves form at the edge of Earth’s magnetic shield and where the solar wind can find a way through.
NASA experiments focused on human and plant health and drug-resistant organisms will travel to the International Space Station aboard SpaceX’s 35th Commercial Resupply Services mission for the agency from Cape Canaveral Space Force Station in Florida, advancing research that benefits life on Earth and future exploration.
The speed of an asteroid’s spin can tell astronomers a surprising amount about what it is made of. However, existing approaches to measuring spin based on telescope observations can often produce misleading estimates.
Recent research shows that gravity and quantum information are deeply connected and that the shape of spacetime can be traced back to the way information is stored in quantum fields.
Magnetic fields are invisible yet essential components in technologies ranging from MRI scanners and particle accelerators to atomic clocks and future quantum computers. Each of these applications requires magnetic fields with specific shapes and properties. Today, creating such tailored magnetic fields requires researchers and engineers to design specialized, carefully optimized magnets or large systems of coils for each individual application—a complex and resource-intensive process.
Researchers from the National University of Singapore (NUS), in collaboration with scientists from institutions in Switzerland, the Czech Republic and Germany, have demonstrated a way to introduce magnetism into an otherwise nonmagnetic two-dimensional (2D) semiconductor and subsequently control its magnetic properties using an electrical voltage. The findings, published in Science Advances, establish a new platform for investigating electrically controllable magnetism in atomically thin materials, with potential implications for future spintronic technologies.
In the early moments of the big bang, two elements were forged: hydrogen and helium. Technically, the tiniest traces of light elements such as lithium were produced as well, but nothing of consequence. The early universe was about three parts hydrogen to one part helium. All the heavier elements, from the oxygen in your lungs to the iron in your blood, were created through astrophysical processes—fused in stars, formed in supernovae or scattered by the collisions of neutron stars. Even in the present cosmos, heavier elements are so cosmically rare that astronomers group them all as metals.
NASA is taking an unusual approach to testing heat shields that can keep astronauts safe as they return from missions to the moon and Mars: taking out the trash.
For many years, the simplest view of dark energy has been that it remains unchanged. Throughout cosmic history, the mysterious ingredient believed to drive the universe’s accelerated expansion is thought to have behaved in the same way at every epoch. However, an increasing number of observations are challenging this idea.
The fate of our solar system is written in the stars—well, one star to be precise: the sun. Estimates of what the end will look like once the sun sheds much of its mass and ultimately dies vary widely. New research published in The Astrophysical Journal Letters suggests that the final curtain for some of the outer planets will arrive much sooner than previously thought, shrinking the timeline from a quintillion years down to roughly 1 billion years.
When Belgian American particle physicist Francis Halzen was awarded the 2026 Nobel Prize in physics “for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin,” it was a reminder that for more than a century, scientists have treated Antarctica’s environments as windows onto worlds beyond Earth.
Retired SFPD sergeant Kevin Mannix is suspected of killing his estranged wife, former SFPD deputy chief Ann Mannix, and their adult daughter Katie before killing himself, sources told the San Francisco Chronicle
Mayor Zohran Mamdani announced changes to the use of force review system after an NYPD officer awaiting a disciplinary trial in a 2024 OIS was erroneously allowed to retire
Researchers from Rutgers, IBM and collaborating institutions have shown that a quantum computer can check what is happening inside it and respond while it is running, repeatedly resetting parts of the system to bring chaotic behavior under control.
Astronomers have used radio observations from the Atacama Large Millimeter/submillimeter Array (ALMA) to catch a dying star in the middle of a dramatic transformation, and the data show a ring that records its final outburst. The new research was posted to the arXiv preprint server on Sept. 18. The paper has been accepted for publication in The Astrophysical Journal.
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