The Examiner Puerto Rico is the smart island getaway for families | Puerto Rico’s proximity to the United States makes it the perfect and easy island getaway for families on spring break or short vacation escape. Kids are fascinated with Puerto Rico’s change o... (photo: WN / Marzena Jazowska) Caribbean Kids Photos Puerto Rico Wikipedia: Puerto Rico PhysOrg Nasa finds sea ice decline driving rise in Arctic air pollutants | The connection between changes in the Arctic Ocean's ice cover and bromine chemical processes is determined by the interaction between the salt in sea ice, frigid temperatures and sunlight. When the... (photo: AP / NOAA) Arctic Environment NASA Photos Wikipedia: Polar ice packs Top Stories Huffington Post Asteroid 2011 AG5 May Pose Threat to Earth in 2040 | By: Leonard David | Published: 02/27/2012 12:18 PM EST on SPACE.com | Scientists are keeping a close eye on a big asteroid that may pose an impact threat to Earth in a ... (photo: Creative Commons / Fastfission) Earth Photos Scientists Space Wikipedia: 2011 AG5 Buffalo News Hornblower Cruises hopes to persuade Maid of the Mist tour operator to exit | When a San Francisco company begins operating boat tours in Niagara Falls, Ont., in 2014, it won't be with the iconic Maid of the Mist name. | And if Hornblower Cruises... (photo: Creative Commons / Ad Meskens ) Cruises Niagara Photos Quot Space Wikipedia: Niagara Falls Zeenews How do GPS satellites know where they are? Washington: Our Global Positioning System (GPS) tells us exactly where we are, down to a few metres, but how do satellites that make up the GPS themselves know where they... (photo: NASA) GBS NASA Network Photos Jakarta Globe Glenn Marks 50 Years Since Historic Orbit of Earth Columbus, Ohio. John Glenn made his historic spaceflight alone in 1962 but celebrated its 50th anniversary Monday among hundreds of people within his orbit, from fellow h... (photo: NASA / Rotem Dan) Astronaut Earth Photos Space Wikipedia: John Glenn BBC News America and Russia: Uneasy partners in space By Melissa Hogenboom BBC News Edwin "Buzz" Aldrin - the second man to walk on the moon - poses next to the US flag in July 1969 Continue reading the main story Related St... (photo: NASA / Ras) Photos Russia Space US Wikipedia: International Space Station The Washington Post John Glenn, ‘no ordinary pilot,’ marks 50 years since orbit of Earth, says he’s no hero | COLUMBUS, Ohio — John Glenn made his historic spaceflight alone in 1962 but celebrated its 50th anniversary Monday among hundreds of people within his orbit, from... (photo: Creative Commons / BotMultichillT) Earth John Glenn Photos Space Wikipedia: John Glenn The Wichita Eagle Gabby Giffords' husband writing children's book | NEW YORK — Retired astronaut Mark Kelly, who collaborated with his wife, former U.S. Rep. Gabrielle Giffords, on her memoir, is writing a children's book about a ... (photo: NASA / Kurun) Astronaut Photos Space Technology Wikipedia: Mark Kelly (astronaut)