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The moon is slowly shrinking over time, which is causing wrinkles in its crust and moonquakes, according to photos captured by NASA's Lunar Reconnaissance Orbiter.Unlike Earth, the moon doesn't have tectonic plates. Instead, as the moon's interior has cooled over the last several hundred million years, it has caused the surface to wrinkle as it shrinks. Unlike the flexible skin of a grape when it shrinks into a raisin, the moon's brittle crust breaks. This creates stair-step cliffs called thrust faults as part of the crust is pushed up and over another close part of the crust.There are now thousands of cliffs scattered across the moon's surface, averaging a few miles long and tens of yards high. The orbiter has taken photos of more than 3,500 of them since 2009. In 1972, Apollo 17 astronauts Eugene Cernan and Harrison Schmitt had to ascend one of these cliffs, the Lee-Lincoln fault scarp, by zig-zagging the lunar rover over it.Today the moon is 50 meters "skinnier" because of this process. And as it shrinks, the moon actively produces moonquakes along the faults. Researchers re-analyzed seismic data they had from the moon to compare with the images gathered by the orbiter.Data from the seismometers placed on the moon during the Apollo 11, 12, 14, 15 and 16 missions revealed 28 moonquakes recorded between 1969 and 1977. Researchers compared the location of the epicenters for those quakes with the orbiter imagery of the faults. At least eight of the quakes occurred due to activity along the faults. This rules out the possibility of asteroid impacts or rumblings from the moon's interior.This means that the Apollo seismometers recorded the moon shrinking, the researchers said. The study of Apollo seismic data and analysis of more than 12,000 of the orbiter's photos were published Monday in the journal 1841

The first day of school can be a scary experience for young children, but one boy in Wichita, Kansas, is very lucky to have a friend guide him.Connor Crites has autism and is nonverbal, 198

The Dow Jones Industrial Average is trading lower on Monday after a stimulus bill proposed by Senate Republicans failed key votes on Sunday and Monday.The Dow closed tumbling 600 points on Monday afternoon. The loss comes after 240

The NBA is in talks with the league's Player's Association regarding a plan to resume the 2019-2020 season, the league said in a statement Saturday.The plan would be to see all games and practices at the ESPN Wide World of Sports Complex at Disney World in Florida. Players would also be housed there for the remainder of the season/Under the plan, league play would resume in "late July."It's unclear how many games would be played, and how the playoff system would be structured.The announcement comes a day after the 532

The Hurricane Center said there is a 100% chance of a tropical depression forming in the Gulf of Mexico. They say by Thursday night it's forecast to become a tropical storm and by Friday it could form into a hurricane.Tropical storm and storm surge watches have been issued for parts of Louisiana.The governor of Louisiana declared a state of emergency on Wednesday ahead of the storm. 397