Keywords: Discovery
NASA's Perseverance rover has made two significant discoveries on the rim of Jezero Crater that together strengthen the case for ancient microbial life on Mars. Scientists have identified microscopic corundum crystals — the mineral that forms rubies and sapphires on Earth — alongside......
Researchers from University of Haifa have uncovered what they describe as the oldest known shipment of raw iron transported by sea, dating back about 2,600 years. The discovery was made during an underwater excavation off Israel’s northern Mediterranean coast, in the Dor lagoon near the Carmel......
Astronomers at the University of Michigan have identified 87 stellar streams linked to globular clusters in the Milky Way, dramatically expanding the number of known structures and providing new tools to study dark matter and galactic evolution. The findings, published in the Astrophysical Journal Supplements,......
Astronomers have identified the source of unusual X ray emissions from gamma Cassiopeiae, resolving a scientific mystery that has persisted for nearly five decades. Observations from the XRISM space telescope show that a hidden white dwarf companion is responsible for the high energy radiation, ending......
Astronomers have reconstructed the full 12 billion year history of a spiral galaxy for the first time, offering new insight into how galaxies form and evolve over cosmic time. The study, led by the Center for Astrophysics Harvard and Smithsonian and published in Nature Astronomy, focuses on the massive......
Astronomers using the James Webb Space Telescope have identified an exceptionally dense atmospheric haze surrounding the exoplanet Kepler-51d, blocking efforts to determine its chemical composition and origin, according to a study published in the Astronomical Journal. An international team led by researchers......
Scientists have identified all five canonical nucleobases, the molecular units that encode genetic information, in samples returned from the asteroid Ryugu. The findings, published on March 15 in Nature Astronomy, support the theory that carbon-rich asteroids delivered key chemical ingredients to early......
Scientists at Yale University have discovered that HIV produces a circular RNA molecule that helps the virus activate its genes and replicate more efficiently. The finding reveals a previously unknown layer of HIV biology and could open new avenues for antiviral therapies. The study, published on March......
A team of mathematicians has demonstrated that a long-standing principle in differential geometry proposed more than 150 years ago is not universally valid. By constructing two distinct torus-shaped surfaces that share identical geometric measurements and curvature properties, the researchers showed......
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