Science

[ad_1] NASA’s Hubble Space Telescope, which celebrated its 31st anniversary earlier this year, has found six dead galaxies in deep space in a remarkable discovery. Galaxies ran out of the cold hydrogen needed to make stars when the universe was about 3 billion years old, considered the “most prolific star-birth period in its history,” according … Read more

[ad_1] The commonly held view is that people arrived in North America Asia via Beringia, a land bridge that once connected the two continents, at the end of the Ice Age around 13,000 to 16,000 years ago. But more recent findings – and some disputed – have suggested humans may have been in North America … Read more

[ad_1] The traces at one place have been revealed as both the earliest known footprints and the oldest solid evidence of humans anywhere in the Americas, showing people lived there between 21,000 and 23,000 years ago – several thousand. years earlier than scientists once believed. “This is the first unequivocal evidence for humans in the … Read more

[ad_1] Abstract graphic. Credit: DOI: 10.1016 / j.celrep.2021.109784 Technology developed at Vanderbilt University Medical Center has led to the discovery of an “ultra-potent” monoclonal antibody against several variants of SARS-CoV-2, the virus responsible for COVID-19, including the delta variant. The antibody has rare characteristics that make it a valuable addition to the limited set of … Read more

[ad_1] Black holes are getting weirder every day. When scientists first confirmed that behemoths existed in the 1970s, we thought they were fairly simple and inert corpses. Then the famous physicist Stephen Hawking discovered that black holes aren’t exactly black and that they actually emit heat. And now a pair of physicists have realized that … Read more

[ad_1] Ancient human footprints preserved in the ground throughout White Sands National Park in New Mexico are surprisingly old, scientists reported Thursday, dating back about 23,000 years to the Ice Age. The results, if they stand up to scrutiny, would rejuvenate the scientific debate about how humans first spread across the Americas, implying that they … Read more

[ad_1] Footprints left in layers of clay and silt in White Sands National Park in New Mexico may be between 23,000 and 21,000 years old. It is based on radiocarbon dating of the remains of grass seeds buried in the layers of sediment above and below the tracks. If the dates are correct, the tracks … Read more

[ad_1] Dr. Maidment’s team were so taken aback by the fossil that they wondered for a moment whether it could be a fake or not at all an ankylosaurus; maybe it was a monster fish never identified before. But with detailed analysis and further investigation, it was possible to rule out both alternatives. [ad_2] Source … Read more

[ad_1] For the first time since SpaceX competitor Blue Origin sued NASA in federal court after losing a moon lander contract with Starship and a protest against this loss, unsealed documents have finally revealed the argument that Jeff Bezos’ space startup is focusing on in court. After details leaked in new court documents filed on … Read more