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The oldest pair of compact quasars ever observed has been found only 900 million years after the Big Bang. Scientists say there is no theoretical explanation for how the pair of actively feeding black holes grew so massive at such an early time in the history of the universe. The pair of quasars has been given the Hawaiian nickname Nāpōwawāʻenakaulua.
The LISA (Laser Interferometer Space Antenna) observatory, now in development, will detect gravitational waves, the tiny ripples in space-time caused by orbiting masses. Now two studies led by NASA astrophysicists show in new detail how LISA could reveal a new and unique population of exoplanets—worlds beyond our solar system—throughout our galaxy.
The head of Germany’s Isar Aerospace voiced hope Tuesday that the company could one day overtake Elon Musk’s SpaceX to become the world’s premier space launch company.
A shoebox-sized color detection device could enable precise measurements at record resolution, according to new research led by Adelaide University. An international team exploited an integrating sphere—a highly reflective hollow cavity that causes light to bounce around inside many times before exiting—to demonstrate a device that can measure the color (wavelength) composition of light with extreme precision at a resolution of just 6 femtometers.
Prosecutors said Matthew Farwell sexually abused Sandra Birchmore after meeting her through a police youth program, then killed her in 2021 and staged her death as a suicide
An international team of researchers, led by Jonathan Freundlich (University of Strasbourg, Astronomical Observatory), has revealed how a dense cosmic environment depletes galaxies of their gas. By mapping the molecular gas in a galaxy group located 7 billion light-years away, they found that the galaxies in this group harbor, on average, gas reservoirs reduced by more than half compared to similar isolated galaxies. The results of this study are published in the journal Astronomy & Astrophysics.
A new study suggests that most of Earth’s carbon originated in the outer solar system and didn’t arrive here until the late stages of planetary development. The study, led by researchers at Yale and Columbia, is based upon an analysis of magma droplets called “melt inclusions” from historic volcano eruptions in Hawaii, including the Keanakākoʻi eruptions from 1500 to 1840 and the Kīlauea Iki eruption in 1959.
Researchers at the U.S. Department of Energy’s (DOE) Ames National Laboratory have discovered a way to control the handedness of magnons, tiny magnetic waves that can carry information through materials. By changing the material’s magnetic state with an external magnetic field, they were able to switch magnon behavior, a finding with potential applications in quantum information and quantum computing technologies. Their findings are published in Physical Review Letters.
An international collaboration demonstrates that classical nonlinear dynamics can drive single- and two-photon states to thermalize, opening new avenues for simulating complex quantum many-body systems within accessible optical architectures.
Astronomers may have solved one of the biggest mysteries uncovered by NASA’s James Webb Space Telescope (JWST), using sophisticated simulations to show that enigmatic objects known as “little red dots” (LRDs) are likely the birthplaces of the first supermassive black holes.
When the most massive stars in the universe die, they often detonate in fiery supernovae, dramatically blasting most of their matter into space. The remaining stellar cores collapse into neutron stars and, sometimes, black holes. However, theories suggest that some massive stars might die without a bang, instead directly collapsing inward to become neutron stars or black holes.
Gabriel Garcia attacked an Adams County deputy in 2017, years before a deadly confrontation aboard a public bus that killed Lakewood Agent Nicholas Graham and wounded three others
The possibility of controlling “forbidden” excitations of vibrations in molecules could form the basis of extremely accurate clocks, quantum bits and precise tests of the fundamental laws of physics. Researchers at the University of Basel have now identified and controlled such “forbidden” transitions in single isolated nitrogen molecules without destroying them.
In an international collaboration, researchers have developed a method that produces significantly higher-quality three-dimensional X-ray images than previously possible. The technique is used for 3D imaging with so-called X-ray nanotomography. The researchers’ approach draws on expertise in mathematics and computational science.
For the second time in a few weeks, we’re writing about research into the temperature gap between the sun’s surface and its corona. More and more data from various missions continue to feed this wave of discovery. A new paper by Katariina Nykyri of Embry-Riddle, recently published in The Astrophysical Journal Letters, adds to this growing body of work. She argues that millions of tiny whirlpools scattered across the sun’s surface could be the energetic engine driving that temperature difference.
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