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Nobel Laureates Rebut Study Claiming Universe's Expansion Is Slowing, Confirm Acceleration Continues
An international team of astrophysicists, including Nobel laureates Adam Riess and Brian Schmidt, has published a study in the Monthly Notices of the Royal Astronomical Society confirming that the universe's expansion is still accelerating. The rebuttal targets a late-2024 South Korean study that had claimed dark energy was weakening, a finding that would have overturned nearly three decades of cosmological understanding. The new study identifies two specific methodological errors in the earlier work, restoring confidence in the standard model of cosmic acceleration while leaving the deeper mystery of what dark energy actually is unresolved.
Study Finds Trees May Store Less Carbon Than Climate Models Predict
A new study published in Science Advances found that oak trees stop growing months before they stop photosynthesizing, meaning increased carbon uptake does not necessarily translate into more wood growth and long-term carbon storage. Researchers analyzed 137 sites across the US, finding that 26–36% of annual carbon uptake occurred after tree growth had already ceased, with drought and heat identified as key triggers for halting growth. The findings suggest that widely used climate models, which assume photosynthesis and growth are tightly linked, may be overestimating forests' future capacity to sequester carbon.
San Andreas Fault Stress Reaches Highest Level in 1,000 Years, Study Finds
A new peer-reviewed study finds that tectonic stress on Southern California's San Andreas and San Jacinto fault systems has reached its highest levels in at least 1,000 years, with the San Jacinto-Bernardino section measuring 3.6 megapascals. The research, led by the University of Hawaiʻi at Mānoa and published in the Journal of Geophysical Research: Solid Earth, used a computer model drawing on geological data including radiocarbon dating and tree-ring records to reconstruct a millennium of earthquake history. The findings cannot predict when a major earthquake will occur but are intended to improve hazard assessments, inform building codes, and guide emergency preparedness in a region home to millions.
NASA-Backed Study Suggests Jupiter Shaped Earth's Supply of Life-Essential Elements
Two new studies advance understanding of how life's essential ingredients are distributed across the solar system: one identifying novel organic carbon molecules on Mars, another suggesting Jupiter shaped the delivery of life-essential elements to early Earth. The Mars findings, led by University of Florida astrobiologist Amy Williams, detected simple organic carbon compounds on the planet's surface, some never previously observed there. Together, the studies deepen scientific debate about where life could exist and how the conditions for it arise.
Sea Cucumber Tissue Survives Years After Being Cut from the Body, Study Finds
Scientists have discovered that tissue fragments removed from scarlet sea cucumbers can continue to live, heal, and function independently for at least three years. The study, published in the peer-reviewed journal Science Advances, found that detached pieces of tube feet and tentacles absorbed nutrients, maintained immune and metabolic activity, and even responded to touch. Researchers say the findings challenge existing definitions of tissue life and could have significant implications for regenerative medicine and tissue engineering.
New Study Proposes 'Geometric Clock' to Explain Why Time May Not Exist Everywhere in the Universe
A Brazilian physicist has published a study in Classical and Quantum Gravity arguing that time is tied to the curvature of space and may lose meaning in flatter regions of the universe. The research attempts to address the longstanding 'problem of time,' a conflict arising from how time is treated differently in general relativity versus quantum physics. If supported by further research, the theory could offer a new framework for reconciling two of physics' most fundamental but incompatible theories.
Satellite Mega-Constellations Are Transforming the Night Sky, Alarming Astronomers and Astrophotographers
The rapid expansion of SpaceX's Starlink network, now exceeding 11,000 satellites in low Earth orbit, is increasingly disrupting both amateur stargazing and professional astronomy. Long-exposure astrophotography is plagued by satellite streaks, while radio astronomers and wide-field survey telescopes like the Rubin Observatory face interference from the growing constellation. With roughly 40,000 Starlinks projected within a few years, and Amazon and other companies preparing rival mega-constellations, experts warn conditions will worsen significantly.
Scientists Decipher Ancient Origins of Euphrates River Using Seismic Imaging
Researchers have determined that the Euphrates River formed between 3.6 million and 1.6 million years ago when two ancient river systems merged due to tectonic activity in Turkey's Taurus Mountains. The finding, published in Nature Geoscience, was made possible by seismic imaging technology originally used to search for gas reserves beneath the Mediterranean seafloor. Understanding the river's origins helps explain the geological conditions that later enabled the rise of agriculture, cities, and writing in ancient Mesopotamia.
Laser Phase Plate Technology Achieves Sharper Cryo-EM Protein Images After 15 Years of Development
UC Berkeley physicists have successfully integrated a laser phase plate into a cryo-electron microscope, producing significantly sharper images of small proteins including hemoglobin, as reported in a June 11 Science publication. The technology adapts a phase-contrast principle — first applied to light microscopy in the 1930s and awarded a Nobel Prize in 1953 — to electron microscopy by using an extraordinarily intense focused laser to shift the phase of non-scattered electrons and boost image contrast. The advance could extend cryo-EM to the roughly 90% of human proteins currently too small for the technique to resolve clearly, with major implications for drug discovery and cellular biology.
Australia's 'Education Power Couples' Nearly Quadrupled in Two Decades, Census Data Shows
An ABC analysis of Australian census data finds 1.14 million couples — about 23 per cent of partnered Australians — are now 'power couples' in which both partners hold university degrees, nearly quadrupling over two decades. The trend reflects a broader global pattern of 'assortative mating,' where people increasingly partner with others of similar educational background, driven by later marriage, shared social environments, and dating app filters. Experts warn the rise of education-matched couples may reinforce socioeconomic inequality across generations, even as it reduces power imbalances within individual relationships.
Antarctica's West Coast Missing Sea Ice Area the Size of France as Temperatures Soar
Argentina's Esperanza base on the Antarctic Peninsula recorded a winter temperature of 15.4°C on June 6, shattering the previous record by 2°C and sitting roughly 20°C above seasonal norms. The heatwave coincides with a near-total absence of sea ice in the Bellingshausen Sea, where an area roughly the size of France — about 650,000 square kilometres — has failed to form. Scientists warn the combined conditions threaten emperor penguin breeding, krill populations, and could accelerate ice loss from the Pine Island and Thwaites glaciers, with implications for global sea levels.
SpaceX Dragon Spacecraft Departs International Space Station with Research Samples
A SpaceX Dragon cargo spacecraft is scheduled to undock from the International Space Station on June 16, 2026, and splash down off the California coast on June 17 at approximately 5:08 a.m. PDT. The capsule, which arrived at the station on May 17 carrying nearly 6,500 pounds of supplies for the Expedition 74 crew, will return thousands of pounds of scientific research and hardware. The returning cargo includes bioprinted tissue samples, cryogenic fuel storage data, and DNA-inspired cancer treatment materials, representing research with potential applications both in space exploration and on Earth.