[ad_1] Astronomers have identified two ancient streams of stars, named after the Hindu deities Shakti and Shiva, that appear to be among the earliest building blocks of the Milky Way, offering new insight into how our galaxy came together long ago. These structures, found through observations by the European Space Agency’s Gaia space telescope, may … Read more
[ad_1] S. Payne-Wardenaar/K. Malhan/MPIA An illustration shows the Milky Way from above, with green dots indicating the Shiva stars and pink dots representing the Shakti stars. Subscribe to CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific breakthroughs and more. cnn — Astronomers have used the Gaia space telescope to … Read more
[ad_1] About 900,000 years ago, humans almost became extinct. According to the results of a genomic study published last year, the ancestors of modern humanity were reduced to a breeding population of just 1,300 individuals in a devastating bottleneck that brought us to the very brink of annihilation. Now, a new study has found that … Read more
[ad_1] What was little more than a point of light for the Hubble Space Telescope has been revealed to be one of the oldest galaxies ever discovered, and the discovery is thanks to none other than Hubble’s little brother: the James Webb Space Telescope. The James Webb Space Telescope’s international “Glass” collaboration made detailed observations … Read more
[ad_1] According to an analysis of hundreds of preserved bird specimens from museum collections around the world, there is a specific set of feather rules behind the power of flight. These newly discovered rules allow scientists to better predict which dinosaurs could also fly. “Theropod dinosaurs, including birds, are one of the most successful vertebrate … Read more
[ad_1] Our understanding of how galaxies form and the nature of dark matter could be completely altered, after new observations of a stellar population larger than the Milky Way from more than 11 billion years ago that should not exist. An article published in Nature details the findings using new data from the James Webb … Read more
[ad_1] One study found that an ancient viral infection may have given animals the tools to become fast, coordinated and intelligent. According to a paper published Thursday in Cell, complex nervous systems emerged in the distant past after viruses inserted fragments of code into the genomes of vertebrates, animals with spinal cords, from humans to … Read more
[ad_1] Volcanoes are a common feature on the surfaces of solid planets within the solar system, as a result of magmatic activity occurring within the planetary crust. On Earth, volcanism is driven primarily by heat and crustal recycling associated with plate tectonics, but Mars lacks plate tectonics and the driver of volcanism is not well … Read more
[ad_1] The recent analysis of samples from the asteroid Bennu brought to Earth by NASA OSIRIS-REx The spacecraft has revealed an intriguing possibility. Scientists believe these samples may come from an “ancient ocean world,” which could lay the foundation for life as we know it. The asteroid, known as Bennu, has become a focal point … Read more
[ad_1] Home Science ‘Clues of past life on Mars’: NASA’s Perseverance rover confirms the presence of an ancient lake on the red planet NASA’s Mars mission: The Perseverance rover has recently found evidence of ancient lake sediments at the bottom of Jezero Crater, offering new hope for finding traces of past life on the Red … Read more