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The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case in point: Since the 1980s, the amount of solar activity had been steadily decreasing all the way up to 2008, when […] When the Square Kilometer Array (SKA) Observatory goes online later this decade, it will create one of science’s biggest data challenges. The SKA Observatory is a global radio telescope project built in the Southern Hemisphere. There, views of our Milky Way are clearest and the SKA’s remote sites limit human-made radio interference. Go to Source […] Lasers aren’t just useful for entertaining cats or pointing out features of PowerPoint slides. They can also drill holes on icy extraterrestrial bodies from comets to Mars polar caps—at least, according to a new paper published in Acta Astronautica by researchers at the Technical University of Dresden, who describe a new laser drill for use […] President Donald Trump and his new interim head of NASA, Sean Duffy, are pushing for a renewed effort to shuffle off the responsibility of running the International Space Station in favor of becoming a customer of a commercial space station provider instead. Go to Source Astronomers from Ruhr University Bochum in Germany and elsewhere have conducted radio spectropolarimetric observations of a recently identified odd radio circle designated ORC J0356–4216. Results of the observational campaign, presented Sept. 5 on the arXiv pre-print server, shed more light on the nature of this object. Go to Source Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe’s greatest mysteries. The most widely accepted theory currently suggests that dark energy is constant, and the energy of empty space drives cosmic acceleration. Go to Source European aerospace firms Airbus, Leonardo and Thales could seal an accord this year to set up a joint satellite enterprise, a senior Airbus official told Corriere della Sera daily in an interview published Sunday. Go to Source In the search for habitable exoplanets, atmospheric conditions play a key role in determining if a planet can sustain liquid water. Suitable candidates often sit in the “Goldilocks zone,” a distance that is neither too close nor too far from their host star to allow liquid water. With the launch of the James Webb Space […] A new study co-authored by Texas A&M University geologist Dr. Michael Tice has revealed potential chemical signatures of ancient Martian microbial life in rocks examined by NASA’s Perseverance rover. Go to Source When the JWST finally began its long-awaited science operations in July 2022, there was a long list of targets awaiting its attention. Scientists compete for observing time by submitting proposals, and for every nine submitted proposals, only one gets approved. In the most recent Cycle 4 of the telescope’s mission, scientists requested about 78,000 hours […] On September 14, 2015, a signal arrived on Earth, carrying information about a pair of remote black holes that had spiraled together and merged. The signal had traveled about 1.3 billion years to reach us at the speed of light—but it was not made of light. It was a different kind of signal: a quivering […] The closest technological species to us in the Milky Way galaxy could be 33,000 light years away and their civilization would have to be at least 280,000 years, and possibly millions of years, old if they are to exist at the same time that we do, according to new research presented at the EPSC–DPS2025 Joint […] Comet 3I/ATLAS is the third ISO ever detected. It was discovered by the Asteroid Terrestrial-impact Last Alert System (ATLAS) station on 1 July 2025. It’s traveling through the inner solar system at about 220,000 km/h and will make its closest approach to the sun in late October. Go to Source In the late 1980s, scientists realized they could understand the interior properties of the sun by observing the sound waves that resonate inside it. This technique, called helioseismology, revealed a mysteriously thin dynamical layer in the interior of the sun that became known as the tachocline. Go to Source Tiny red objects spotted by NASA’s James Webb Space Telescope (JWST) are offering scientists new insights into the origins of galaxies in the universe—and may represent an entirely new class of celestial object: a black hole swallowing massive amounts of matter and spitting out light. Go to Source |
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