On February 5, 1958, two Air Force jets collided in mid-air during a train mission. Fortunately, all involved survived the crash, but one of the jets carried a Mark 15 thermonuclear bomb, as was "common practice" during training missions. The weapon is now believed to be hidden 13 to 55 feet below the ocean and sand, and the Air Force and Navy divers have been looking for it ever since. The nuclear weapon is somewhere off the coast of Tybee Island, Georgia, and every once in a while, a high reading of radioactivity is recorded in the area. This causes the US government to scramble in efforts to find the bomb, likely buried in the seafloor. For two months after the jets collided, the Air Force and Navy divers searched a 24-square mile area in the Wassaw Sound, a bay of the Atlantic Ocean near Savannah, using handheld sonar. On April 16 1958, the military decided the bomb was "irretrievably lost." The Air Force said the weapon wasn't fully assembled and "there was no danger of an explosion or radioactivity." Forty years later, a retired Air Force officer began to search for it. "It's this legacy of the Cold War," said Stephen Schwartz, author of 'Atomic Audit: The Costs and Consequences of US Nuclear Weapons Since 1940'. "This is kind of hanging out there as a reminder of how untidy things were and how dangerous things were." However, some experts say that the bomb may be better left buried, even if someone finds it. Whilst there was little chance of the bomb spontaneously exploding, there was a chance of it exploding during retrieval, and experts would have to remove and dispose of the uranium first. A 2001 report on the bomb suggested recovery cost would start at $5 million. "The whole Air Force perspective is, it's just not worth it," Schwartz said. "Trying to move it could create bigger problems than if we just leave it where it is." Schwartz said the only way the weapon will be found is by chance or if a powerful storm dredges it up. "I won't say it's lost for the ages because I don't think it is," he said, but "so many people have searched for it for so long using some fairly sophisticated equipment and not found it." 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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Phosphates have been found on Saturn’s moon Enceladus, in a new breakthrough discovery that boosts hopes for finding alien life in our solar system. It is the first time phosphorus has been found in an ocean beyond those on Earth, and marks a major development in our understanding of other ocean worlds. Enceladus is one of the most likely hopes for finding nearby extraterrestrial life. While its outside is wrapped in an ice crust, underneath is a global ocean that could be a home for alien life. Some of that ocean spews up and out of the surface of Enceladus, in the form of vast plumes. Scientists have been able to examine those plumes to better understand the ocean itself, including in the new study. Researchers in the latest study used data from the Cassini mission – which flew around Saturn and Enceladus – to find out what the oceans are made up of. They not only found phosphorus, but data suggested that it could be there are concentrations at least 100 times higher than in Earth’s oceans. What’s more, modelling based on the new data suggests the same could be true for other ocean worlds, potentially boosting the chances of alien life there, too. Phosphorus is not in itself evidence of life. But on Earth, the presence of phosphorus compounds in water are crucial for biological activity, and so it is a key part of evaluating whether a distant world might support life. Read More Astronomers find rare planet circling two stars like Star Wars’s Tatooine Elon Musk to launch biggest ever rocket after dramatic failure US government contradicts whistleblower’s claims of possible ‘non-human’ material

By Jaspreet Singh (Reuters) -Zoom Video Communications forecast third-quarter profit above Wall Street estimates on Monday, a positive sign for

Ancient clay tablets unearthed from ancient ruins in Turkey by archaeologists have revealed a language lost to the passages of time. The new language was discovered in the ancient capital of the Hittite Empire at Hattusa (known as Boğazköy-Hattusha). The well-preserved tablets are among many incredible artworks found at the site - a UNESCO World Heritage Site. Over the past four decades, researchers have dusted off nearly 30,000 unique tablets - with most written in Hittite. New research, however, shows that some of the tablet haul shows that they are written in a language previously unknown to modern man. Of course, the meaning and words of this language have not been deciphered, but it appears from early inspection to branch off from languages used within the Hittite Empire - and is being referred to as Kalašma. archaeologist Interestingly though, researchers from the Istanbul Department of the German Archaeological Institute have noted that the new language is found within a recitation in a 'cultic ritual text'. While that's usually the basis of a middling horror movie, we're certain that there's nothing to worry about - it stems from an ancient Hittite practice. Professor Daniel Schwemer explains that the discovery wasn't unexpected. "The Hittites were uniquely interested in recording rituals in foreign languages," he said. These ritual texts provide insight into little-known languages, and thanks to this discovery, one more has been added to the list. Sign up for 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.

By Rich McKay A fierce storm packing hurricane-force wind gusts dumped more than a foot (30.5 cm) of

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New research has shown that our early ancestors almost went extinct some 900,000 years ago. Using a new method called FitCoal (fast infinitesimal time coalescent process), researchers analysed the likelihood of present-day genome sequences to project current human genomic variation backwards in time. They applied the technique to the genomes of 3,154 people from 10 African and 40 non-African populations, and found a massive crash in genetic diversity during the transition between the early and middle Pleistocene. “Results showed that human ancestors went through a severe population bottleneck with about 1,280 breeding individuals between around 930,000 and 813,000 years ago,” the study authors wrote in the journal Science. “The bottleneck lasted for about 117,000 years and brought human ancestors close to extinction,” they say. Wiping out roughly 98.7 percent of the ancestral human population, “the bottleneck could also have increased the inbreeding level of our ancestors, thus contributing to the 65.85 percent loss in present-day human genetic diversity,” explained the researchers. This probably happened because of changes in the global climate as short-term glaciations became longer-lasting, triggering a drop in ocean temperatures, prolonged drought, and the loss of large numbers of species that humans might have relied on for food. Then, around 813,000 years ago, populations finally recovered, with a 20-fold increase in numbers because of fire combined with the return of warmer temperatures, researchers reckon. What a near miss, eh? 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.