Astronomers have discovered two new satellite galaxies of the Milky Way, and these findings could help us better understand dark matter — the mysterious stuff that accounts for around 85% of the matter in the universe yet remains effectively invisible to us. The discoveries also move scientists a step closer to solving a lingering problem […]
On Friday, June 7, Park Ranger Tom Lorig fell and struck his head on a rock and died of his injury. A ranger at Bryce Canyon National Park in Utah, Lorig was directing park visitors to a shuttle bus at the annual Astronomy Festival when the fall occurred. Rangers, bystanders, and EMS personnel worked together […]
For the first time, a telescope on the Hawaiian volcano Maunakea has been fully decommissioned — it was dismantled, removed, and its site was restored to previous conditions. The effort comes under an agreement between the University of Hawaii and the Maunakea Stewardship and Oversight Authority, designed to smooth tensions over the construction of a […]
The 2020s have already seen many lunar landing attempts, although several of them have crashed or toppled over. With all the excitement surrounding the prospect of humans returning to the Moon, both commercial interests and scientists stand to gain. The Moon is uniquely suitable for researchers to build telescopes they can’t put on Earth because […]
The 2020s have already seen many lunar landing attempts, although several of them have crashed or toppled over. With all the excitement surrounding the prospect of humans returning to the Moon, both commercial interests and scientists stand to gain. The Moon is uniquely suitable for researchers to build telescopes they can’t put on Earth because […]
Astronomy has a bright future. The universe is being revealed in exquisite detail with the current generation of large optical telescopes, reaching back close to the big bang. There’s hope that the mysteries of dark matter and dark energy will be solved. Thousands of exoplanets have been discovered, and astronomers may be closing in on […]
This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Or Graur is an associate professor of Astrophysics at the University of Portsmouth’s Institute of Cosmology and Gravitation, an honorary associate professor at University College London (UCL), and a research associate at the American Museum of Natural History. […]
Over the past few years, our planet has become increasingly encircled by Starlink, OneWeb and other “megaconstellation” satellites. Yes, the emergence of those megaconstellations offers great benefits for humanity. But in a wait-a-minute pause, there are also substantial costs, including a growing imposition on astronomy. That’s the view of David Koplow, the Scott K. Ginsburg […]
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Last week, an ominous letter was published to the Chandra X-ray Observatory’s website. “Dear Chandra community,” it starts, “As many of you are aware, the NASA budget for FY25 and beyond was released…” This letter was written by Patrick Slane, director of the Chandra X-ray Center. In it, he’s talking about NASA’s budget proposal for […]
Scientists have taken an instrument originally designed to study huge celestial objects in the cosmos and repurposed it to investigate the world on an infinitely smaller scale. With this instrument, they managed to probe the heart of the atom. The team wanted to understand quantum-scale changes that occur within unstable atoms, and realized there’s a […]
An 11th-century astrolabe — a device used for accurately calculating the date and time based on star positions — found in a museum in Verona, Italy, is clear evidence for scientific exchange and cooperation between Muslim, Jewish and Christian people, a new study finds. The astrolabe stands out because, having been built by Muslim craftsmen, […]