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Since the dawn of human spaceflight, scientists have carefully studied the effects of space and microgravity on astronauts. After decades of observations and examinations, one truth is certain: space is brutal on the human body. Muscles atrophy, bones lose mass, limbs stretch and—more unknown—eyesight can degrade in ways not yet fully understood. Go to Source […] Last week, the Perseverance rover began an exciting new journey. Driving northwest of the Soroya ridge, Perseverance entered an area filled with a diverse range of boulders that the science team believes could hold clues to Mars’s early history. Go to Source A SpaceX launch on the Space Coast just after sunset Monday could mean the return of the unique jellyfish effect over Florida’s skies. Go to Source Dr. Sukanya Chakrabarti, the Pei-Ling Chan Endowed Chair in the College of Science at The University of Alabama in Huntsville (UAH), and her team have posted a new paper to the arXiv preprint server that for the first time uses binary and solitary pulsars to constrain properties of a dark matter sub-halo in our own […] Astronomers have discovered “dust-shrouded supermassive black holes” in the early universe, less than 1 billion years after the Big Bang—a type of object that had previously escaped detection. Go to Source Organic molecules detected in the watery plumes that spew out from cracks in the surface of Enceladus could be formed through exposure to radiation on Saturn’s icy moon, rather than originating from deep within its sub-surface ocean. Go to Source New research using NASA’s powerful JWST telescope has identified a planet 41 light years away which may have an atmosphere. The planet is within the “habitable zone,” the region around a star where temperatures make it possible for liquid water to exist on the surface of a rocky world. This is important because water is […] Space changes you. It strengthens some muscles, weakens others, shifts fluids within your body, and realigns your sense of balance. NASA’s Human Research Program works to understand—and sometimes even counter—those changes so astronauts can thrive on future deep space missions. Go to Source Selecting the right spot to smash a spacecraft into the surface of a hazardous asteroid to deflect it must be done with great care, according to new research presented at the EPSC-DPS2025 Joint Meeting in Helsinki. Slamming into its surface indiscriminately runs the risk of knocking the asteroid through a “gravitational keyhole” that sends it […] Using the Hubble Space Telescope (HST), Italian astronomers have observed five blue straggler stars in the globular cluster 47 Tucanae. Their results show that one of these stars has a white dwarf companion. The discovery is presented in a paper published Aug. 28 on the arXiv preprint server. Go to Source A team of researchers led by the Instituto Galego de Física de Altas Enerxías (IGFAE) from the University of Santiago de Compostela (Spain) has measured for the first time the speed and direction of the recoil of a newborn black hole formed through the merger of two others. The result, published today in the journal […] About 80% of the universe’s mass is thought to consist of dark matter. Yet, little is known about the composition and structure of the particles that make up dark matter, presenting physicists with some fundamental questions. To explore this elusive matter, researchers are attempting to capture photons, or light particles, which are produced when dark […] Finding life beyond Earth would be a major scientific discovery with significant implications for all areas of science and human thought. Yet, only one direct search for extraterrestrial life has ever been conducted. Go to Source Since the early days of human space exploration, the endeavor has been haunted by a very good question: why spend so much on space when there are so many urgent problems here on Earth? Go to Source Within our Milky Way galaxy, in the direction of the constellation Vulpecula, a cosmic “lighthouse” named PSR B1937+21 spins at an astonishing rate of 642 revolutions per second. It emits electromagnetic pulses that rival the precision of atomic clocks. Go to Source |
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