What would happen if a big asteroid hit the moon?

Science
Space probe transmits stunning new views of Pluto Fists hit the air and tiny American flags fluttered overhead July 14 as a huge crowd in a Laurel, Md., conference room cheered. It was all for the New Horizons spacecraft's closest approach to Pluto. At 7:50 a.m. ET, the spacecraft swept past Pluto's surface at a distance of about ... - Posted on July 31, 2015
Messages in a meteorites bring news from outer space Meteorites may conjure images of giant rocks smashing into towns. In fact, meteorites rarely hit people. They regularly bring valuable materials to Earth from outer space. All of the iron we use on Earth today was delivered by meteorites. Gold and platinum even have meteorit... - Posted on June 12, 2015
Moons “dance” around Pluto There's a chaotic dance going on at the far end of our solar system. It involves Pluto and five of its closest friends, a study finds. Hubble Space Telescope images of Pluto, its largest moon Charon and tinier moons Styx, Nix, Hydra and Kerberos show the odd rhythmic gyratio... - Posted on June 9, 2015
Man controls robotic arm with his mind A man paralyzed by a gunshot more than a decade ago can shake hands, drink and play "rock, paper, scissors" by controlling a robotic arm with his thoughts, researchers have reported. Two years ago, doctors in California implanted a pair of tiny chips into the brain of Erik S... - Posted on June 3, 2015
Walrus cam an Internet hit A popular webcam is once again streaming to the Internet. It is showing large male Pacific walruses lying on the beach while a number of seabirds fly overhead. The high-definition stream from Alaska's remote Round Island had been dormant for nearly a decade. Its private fund... - Posted on June 1, 2015
Not just a movie: the facts on the San Andreas Fault The San Andreas Fault awakens. It unleashes back-to-back jolts that leave a trail of misery from Los Angeles to San Francisco. Skyscrapers crumble. Fires erupt. The letters of the famous Hollywood sign topple. Tsunami waves swamp the Golden Gate Bridge. Hollywood's favorite ... - Posted on May 29, 2015
Washington gets it first dino Scientists say they've discovered Washington state's first dinosaur fossil. The announcement marks a unique find for the state. It’s a rare moment for North America's Pacific coast. Paleontologists at Seattle's Burke Museum said that the bone fragment is 80 million years o... - Posted on May 28, 2015
What can we do to save the bees? The federal government hopes to reverse America's declining honeybee and monarch butterfly populations. It wants to make more federal land bee-friendly. And it wants to spend more money on research and consider the use of less pesticides. Bees are crucial to pollinate many c... - Posted on May 22, 2015
Man survives a nail in the eye There must have been a four-leaf clover in those weeds. A 27-year-old landscaper escaped with barely a scratch after a nearly 3-inch nail hurtled into his eye when he accidentally hit it with a weed-whacker. Doctors who removed the nail at Boston's Massachusetts Gener... - Posted on May 20, 2015
What would happen if a big asteroid hit the moon? You asked us, what would happen if a large asteroid hit the moon. Thousands of meteorites have impacted the moon over the last few billion years. And without an atmosphere like we have here on Earth to break up and burn these hurtling objects, the rocks have left their mark.... - Posted on May 20, 2015