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According to new travel notifications from the FAA, President Trump is trimming back the length of his visit amid talks about a military strike in Syria.The FAA advisory suggests the president will arrive some time after 2 p.m. Monday and leave by 11 a.m. Thursday. He was initially scheduled to stay Sunday to Sunday.Trump is scheduled to meet with Japanese Prime Minister Shinzo?Abe at Mar-a-Lago on Tuesday and Wednesday.The summit comes ahead of a proposed meeting between Trump and North Korean leader Kim Jung Un. 527

According to a recent paper, the Earth is caught directly in the crosshairs of a cosmic hurricane.A swarm of nearly 100 stars, accompanied by an even greater amount of dark matter, is aimed directly at our stellar neighborhood and there's nothing we can do to stop it; in fact, the vanguard is already upon us. This sounds like a perfect summer blockbuster movie, starring The Rock and Chris Pratt, or maybe Scarlett Johansson and Charlize Theron.Except this is for real. But is it a danger? Well, actually, no. Not at all. But it's potentially incredibly fascinating, with lots of interesting scientific interconnections. So, what is really going on?The story starts last April, when the Gaia satellite announced the locations and trajectories of 2 billion stars in the vicinity of the Milky Way surrounding our sun. They released the data to the public.Scientists were then able to look at the data set to see if they could spot anything peculiar. In galaxies like the Milky Way, the most common behavior is that the stars orbit the center of the galaxy in a manner broadly similar to the planets orbiting our sun. However, there are some stars that exhibit unusual motion. About a year ago, astronomers identified some "stellar streams" passing through our celestial neighborhood.One of them, called S1 (for stream 1), consists of nearly 100 stars of similar age and composition, orbiting the Milky Way in a direction exactly opposite that of normal stars. It's kind of like a handful of cars driving the wrong way down the highway, except with a much greater distance between them and with no likelihood of a collision. These stars are spread out over a few thousand light years and they will pass through the solar system's neighborhood over the course of a few million years.Astronomers identified S1 as being part of the remnants of a dwarf galaxy that collided with the Milky Way and was consumed in an epic episode of cosmic cannibalism. Dwarf galaxies are very small, typically about 1% the mass of the Milky Way. They can orbit larger galaxies and collide with the bigger galaxy, adding their mass to the parent. This is what appears to have happened in the case of S1, although the process has taken probably a billion years.Dwarf galaxies often have a disproportionately large fraction of dark matter. Dark matter is a hypothetical and still-undiscovered form of matter that interacts only gravitationally. Scientists have proposed its existence to explain many astronomical mysteries, for example the observation that most galaxies rotate faster than can be explained by the known laws of physics and the stars and gas of which they are composed.While dark matter has not yet been observed, hypothesizing its existence is the simplest and most economical explanation for myriad astronomical mysteries. Averaged over the entire universe, dark matter is thought to be five times more prevalent than the ordinary mass of stars and gas and planets.In dwarf galaxies, the fraction of dark matter is often higher. In Fornax, a well-studied dwarf galaxy orbiting the Milky Way, researchers estimate that the dark matter is between 10 and 100 times greater than the mass found in its stars.If that number holds for S1, the dark matter of the S1 stream is passing through the Earth at a much higher velocity than the more ordinary dark matter that orbits the Milky Way -- about twice as fast. It is thought that S1 dark matter is flying through the solar system at a speed of about 550 km/s, or about 1.2 million mph. While these numbers are impressive, they are misleading. Dark matter, if it exists, is extremely diffuse and it will have no discernible effect on the solar system.Because dark matter hasn't been observed yet, these velocity numbers are speculative, although they are strongly supported by a very large body of evidence. However, the prospect of high velocity dark matter flying through the Earth has suggested an opportunity to detect it.In a paper in the prestigious journal Physical Review D, researcher Ciaran O'Hare and his collaborators calculated the possibilities of discovering dark matter using both existing and proposed dark matter detectors. They considered two varieties of dark matter particles: a very heavy kind called a WIMP (weakly interacting massive particle) and a very light kind called an axion. Because the ultimate nature of dark matter is not known, it is important to be open to all possibilities.They found that the detectors they evaluated could find WIMPs for certain ranges of the particle mass. However, when they looked at the axion possibility, it appeared the prospects were even better. Because of its light mass and the manner in which an axion would interact with the detector, the apparatus simply has a better chance of seeing the axion. (If axions exist, of course.)Experiments with names like ADMX, MADMAX and ABRACADABRA are able or will be able to search for the signatures of dark matter proposed in the recent paper. They consist of technologies that are designed to interact with axions in a strong magnetic field and convert them to ordinary microwaves or radio waves that can be easily detected.It's important to remember that the S1 stream poses no credible threat to the Earth and humanity. There is no need for an action hero to save us. However, the synergy of science is staggering. A careful catalog of nearby stars has opened the prospect of a better possibility of finding and identifying dark matter, which is one of the great unanswered mysteries of modern physics. It's an amazing time we live in, in which we can study such things.\ 5625

After days of digging through 950 tons of steel and concrete, authorities say the remains of all six victims of the pedestrian bridge collapse in Florida have been recovered.Rescuers have worked day and night to extract the victims and mangled cars after the pedestrian bridge crumbled Thursday west of downtown Miami."I believe that is the final count," Miami-Dade County Police Director Juan Perez said. "This ends with a tragedy of six. ... We are pretty confident that no one is left."For the first time since the bridge collapsed, rescuers took a break Saturday to pay tribute to the people killed."We asked them to pause so we could pray over every victim," Perez said.A police motorcade escorted the remains of five victims to the medical examiner's office. A sixth person died at the hospital. 809

A week out from Election Day, spending to influence congressional midterm elections already has surged to a record-smashing .7 billion, according to a new tally of activity by candidates, political parties and their outside allies.Democratic donors are fueling the dramatic increase, according to the analysis by the non-partisan Center for Responsive Politics. It predicts spending will surpass .2 billion by November 6 -- a 35% jump over the 2014 midterms and the largest leap in at least two decades.In all, Democratic House candidates have raised more than 1 million, far exceeding the 7 million that went to their Republican rivals, according to the center's tally. 688

Amateur Ali Gibb enjoyed a trip to the golf course that Tiger Woods could only dream off earlier this week, hitting three hole-in-ones on the same day.The 51-year-old managed the incredible feat while successfully defending her championship title at the Croham Hurst Golf Club in Surrey, south of London.She hit her first ace on the par-three fifth hole that morning during the 36-hole tournament, before repeating the trick at the same hole during the afternoon.Gibb completed her incredible hat-trick at the par-three 11th and admitted she's still struggling to come to terms with what happened."It was a crazy day and what happened was quite unbelievable, it took its time to sink in," she told CNN Sport."Most people might spend all their lives trying to get one, I got three in five hours."Club pro Adam Aram said he was impressed when Gibb carded the first hole-in-one but by the by the time she sank the third it was "unbelievable.""I said to her what have you been drinking at lunch time, you can't have three holes in one on the same day - two's enough," Aram told CNN Sport."I think after the second win, she was too excited to concentrate and then she had a third -- I don't think she could quite work our what was happening, neither of us could."Before her unforgettable Tuesday, Gibb had registered three hole-in-ones in her entire time playing golf -- her first being at the Atlantic Beach Golf Estate in South Africa."I did some part-time consultancy work for a friend who runs a travel company and the course overlooked the bay," she said."I was thinking, 'that's it I'm done -- I've done my life hole-in-one."But now I have managed to double that -- which was completely unexpected."'You don't play golf'Gibb was introduced to the sport 20 years ago while working in London when a colleague invited her to join their golf day in Woburn, north of London.She immediately turned to her father for advice who had been playing since he was a child."He looked at me and said 'you don't play golf,' I said 'I know that dad, but the golf day is at Woburn, so I need to be able to play,'" she said.Gibb's father taught her some essentials -- like how to get out of a bunker -- and set her off on her way. She immediately became hooked.Visit cnn.com/sport for more news and featuresIn true club tradition, all championship attendees were invited to a presentation evening where Gibb received a standing ovation for her performance.The evening celebrates successes in the championship and a hole-in-one is rewarded with a bottle of champagne.Having scored three, Gibb was rewarded with three bottles which she shared amongst the ladies attending.Having set the bar high for next year's championship, Gibb says there is no chance she can do the same again."There is no point even thinking you are ever going to top it -- three holes-in-one is incredible," she added."I'm just enjoying what I have achieved but that is my moment in the sun."The-CNN-Wire 2965