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Nasa has named its new head of research into unexplained phenomena spotted in the sky – after initially saying that it would not. The space agency said that its new head of research into Unidentified Anomalous Phenomena, or UAPs, would be kept secret in an attempt to keep them from being abused. Many of the publicly identified members its research panel have been subject to threats and harassment, the space agency has said. Previously, members of the panel said that abuse had kept them from properly examining the phenomena. The announcement of a new head of research came soon during the discussion of the panel’s first report into UFOs. That report said that it needed more scientific research to make firm conclusions – and less stigma and abuse of those doing it. During a panel discussion of that report, Nasa associate administrator Nicola Fox said that the space agency had appointed a new official to oversee the research and work with other federal agencies. But she told reporters that “we will not give his name out” for fear of reprisals. Later on Thursday, however, Nasa released a new blog post in which it identified the new director as Mark McInerney. “McInerney previously served as NASA’s liaison to the Department of Defense covering limited UAP activities for the agency,” it wrote. “In the director role, he will centralize communications, resources, and data analytical capabilities to establish a robust database for the evaluation of future UAP. “He also will leverage NASA’s expertise in artificial intelligence, machine learning, and space-based observation tools to support and enhance the broader government initiative on UAP.” The report did not give any indication of why the space agency had changed its mind on naming the new appointment. It only noted that it had made the decision to update it to “include details about the UAP research director”. In the 33-page report published earlier on Thursday, an independent team commissioned by NASA cautioned that the negative perception surrounding UFOs poses an obstacle to collecting data. But officials said NASA‘s involvement should help reduce the stigma around what it calls UAPs, or unidentified anomalous phenomena.“We want to shift the conversation about UAPs from sensationalism to science,” NASA Administrator Bill Nelson said. He promised an open and transparent approach. Officials stressed the panel found no evidence that UAPs had extraterrestrial origin. But Nelson acknowledged with billions of stars in billions of galaxies out there, another Earth could exist. “If you ask me, do I believe there’s life in a universe that is so vast that it’s hard for me to comprehend how big it is, my personal answer is yes,” Nelson said at a news conference. His own scientists put the likelihood of life on another Earth-like planet at “at least a trillion.” When pressed by reporters on whether the U.S. or other governments are hiding aliens or otherworldly spaceships, Nelson said: “Show me the evidence.” NASA has said it doesn’t actively search for unexplained sightings. But it operates a fleet of Earth-circling spacecraft that can help determine, for example, whether weather is behind a strange event. The 16-member panel noted that artificial intelligence and machine learning are essential for identifying rare occurrences, including UFOs. No top-secret files were accessed by the panel’s scientists, aviation and artificial intelligence experts, and retired NASA astronaut Scott Kelly, the first American to spend nearly a year in space. Instead, the group relied on unclassified data in an attempt to better understand unexplained sightings in the sky. Officials said there are so few high-quality observations that no scientific conclusions can be drawn. Most events can be attributed to planes, drones, balloons or weather conditions, said panel chairman David Spergel, president of the Simons Foundation, a scientific research group. The government refers to unexplained sightings as UAPs versus UFOs. NASA defines them as observations in the sky or elsewhere that cannot be readily identified or scientifically explained. The study was launched a year ago and cost under $100,000. Additional reporting by agencies Read More We cannot yet explain mysterious sightings in the sky, Nasa panel says Nasa boss says he believes in aliens during UFO hearings Watch as Nasa announces findings of long-awaited UFO study Nasa’s UFO study team reveals first ever report: as it happened Scientists might have seen a ‘life’ molecule on another planet SpaceX crew streak across sky before splashing down off Florida coast

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Scientists are optimistic about the possibility of finding life on other planets. Nasa's James Webb Space Telescope (JWST) found a possible sign of a gas that, on Earth, is produced by simple marine organisms. It was detected this month in the atmosphere of a planet named K2-18b, which is 120 light years away. The planet is in what astronomers call ''the Goldilocks zone' - the right distance away from its star for the surface temperature to be neither too hot nor too cold, but just right for there to be liquid water, which is essential to support life. The team expects to know in a year's time whether the hints are confirmed or have gone away. "We live in an infinite Universe, with infinite stars and planets. And it's been obvious to many of us that we can't be the only intelligent life out there," Prof Catherine Heymans, Scotland's Astronomer Royal told the BBC. "We now have the technology and the capability to answer the question of whether we are alone in the cosmos." Prof Nikku Madhusudhan of the Institute of Astronomy at Cambridge University, who led the study, told the BBC that if the hints are confirmed "it would radically change the way we think about the search for life". "If we find signs of life on the very first planet we study, it will raise the possibility that life is common in the Universe." He predicted that within five years there will be "a major transformation" in our understanding of life in the Universe. If his team don't find life signs on K2-18b, they have 10 more Goldilocks planets on their list to study - and possibly many more after that. Even finding nothing would "provide important insights into the possibility of life on such planets", he said. Meanwhile there are other separate projects all looking for signs of life in the universe. Pretty exciting. Sign up to our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

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Mars is often called the Red Planet, but a recent image captured by NASA’s Perseverance rover from the surface would go some way to contradicting that. Earlier this year, Perseverance snapped a sunset from Mars in which the Sun looks blue, a sight which would never be seen from our own planet. The photograph was taken on the rover’s 842nd day on the planet, and shows a Martian horizon with the sun setting behind causing an eerily cool glow. Because of Mars’ distance from the Sun, it gets less sunlight than we do on Earth. Even at its sunniest, it gets less than half our quota of light from the star. And the planet’s atmosphere, which is weaker than Earth’s, is mainly made up of carbon dioxide, with a small amount of nitrogen and a trace of oxygen. This gaseous mix and weak atmosphere causes the light to scatter in a blue haze across the sky. It’s the same process which gives us our blue sky during the daytime, when the light has less atmosphere to penetrate before it reaches our eyes. On Earth, this changes when the sun dips below the horizon, and the light has more atmosphere to penetrate, filtering our blue and violet wavelengths, leaving only reds and oranges. Meanwhile on Mars, the sunlight interacts with the dust hanging in the atmosphere, scattering red light during the day. At twilight, that red light is filtered away, leaving blues. Atmospheric scientist Mark Lemmon of Texas A&M University told Science Alert: "The colours come from the fact that the very fine dust is the right size so that blue light penetrates the atmosphere slightly more efficiently. “When the blue light scatters off the dust, it stays closer to the direction of the Sun than light of other colours does. “The rest of the sky is yellow to orange, as yellow and red light scatter all over the sky instead of being absorbed or staying close to the Sun.” Sign up to our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.