Obama to Open Conservation Tour in Lake Tahoe and Hawaii and other top stories.

• Obama to Open Conservation Tour in Lake Tahoe and Hawaii

  

  President Barack Obama is opening a two-day environmental tour aimed at showcasing conservation efforts before traveling to Asia, where climate change is high on the agenda for his final trip to the region. In Nevada on Wednesday, Obama plans to visit Lake Tahoe and speak at a summit dedicated to the iconic lake's preservation. Senate Minority Leader Harry Reid, who like Obama is in his final year in office, has hosted the summit for 20 years and asked Obama to attend. The president planned ..

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• Slow birth rate found in African forest elephants

  

  Image copyright Andrea Turkalo Image caption Scientists found that forest elephants start to breed at around the age of 23 African forest elephants have an extremely slow birth rate, putting them under greater pressure from poaching, research suggests. Scientists have found that the animals start to breed at a later age and with longer intervals between calves than other elephant species. The researchers say it means it could take decades for this spe..

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• NASA's Juno Spacecraft Completes First Jupiter Flyby

  

  This transcript has been automatically generated and may not be 100% accurate.... NASA spacecraft Juno completed its first Orbital flyby of Jupiter Tuesday on a mission to analyze the gas planet traveling at uh hundred and thirty thousand mph ... just a subtle reached its closest point to Jupiter at six forty four am on Tuesday ... just two ThousandSix hundred miles above the planet's upper clowns ... during its approach Juno snapped these photos of the planet revealing the closest you'll ever o..

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• Whale carcass found on Northern California beach

  

  PT. REYES NATIONAL SEASHORE, Calif. (AP) — Experts say the carcass of a rarely seen Baird's beaked whale was found on a beach in the Point Reyes National Seashore this week. The Marin Independent Journal reports (http://bayareane.ws/2bHy8Nd) scientists plan to perform an evaluation on the 35-foot-cetacean's carcass to determine whether the animal was hit by a ship. Scientists that examined the animal on Monday found extensive hemorrhaging near the vertebrae on the left side of the decomposing c..

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• 'Wow!' Again? SETI Mystery Signal Could Long Puzzle Astronomers

  

  The Allen Telescope Array at the Search for Extraterrestrial Intelligence (SETI) Institute has been listening for signals that may indicate that sophisticated alien civilizations are trying to communicate. Credit: SETI Institute A recently detected SETI signal could end up being this generation's version of the famous "Wow!" signal of 1977: an intriguing mystery that keeps astronomers guessing for decades. In May 2015, a team of researchers using a Russian radio telescope spotted a s..

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• SpaceX Signs First Customer for Launch of Refurbished Rocket

  

  Aug. 30, 2016 6:00 p.m. ET Satellite operator SES SA has agreed to launch one of its large commercial spacecraft on a refurbished Space Exploration Technologies Corp. rocket, marking another advance for reusable boosters. Scheduled to occur before the end of the year, the mission announced on Tuesday will be the first one to use the lower stage and nine main engines of a Falcon 9 rocket that experienced the rigors of a blastoff and acceleration through the atmosphere on a previo..

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• New Species Of Pterosaur From Early Jurassic Era Discovered In Patagonia

  

  The Earth was dominated by pre-historic reptiles during the Mesozoic Era, which lasted about 180 million years, offering scientists a valid reason to call it the age of reptiles. Although an extinct group of flying reptiles, called “pterosaurs,” lived during most of this period, scientists had very limited information about this animal, until now.While scientists so far had some information about the anatomy of pterosaurs’ nervous system based on a few three dimensionally preserved remains, a ne..

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• Their Masters' Voices: Dogs Understand Tone And Meaning Of Words

  

  Enlarge this image What did she say? Eniko Kubinyi/Science hide caption toggle caption Eniko Kubinyi/Science What did she say? Eniko Kubinyi/Science When you praise a dog, it's listening not just to the words you say but also how you say them. That might not be huge news to dog owners. But now scientis..

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• In study of Tasmanian devils with bizarre cancer, WSU scientists find reason for hope

  The infectious tumors threaten to wipe out the small, fierce marsupials, but genetic analysis shows rapid evolution may come to the rescue. It’s not unusual for scientists to study creatures half a world away, but Washington State University geneticist Andrew Storfer never imagined himself working with Tasmanian devils. His main interest is viruses that attack amphibians. When Storfer scored a Fulbright grant in 2008, he intended to study Australian tree frogs decimated by an epidemic. But it ..

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