TEHRAN, Sept 02 -In a report issued Friday, the Great Barrier Reef Marine Park Authority downgraded the outlook for Australia's Great Barrier Reef from "poor" to "very poor."
TEHRAN, Jun 20 -Corals can help scientists track ancient climate patterns, but new research suggests that traditional analysis methods for analyzing coral's ancient growth aren't as accurate as previously thought.
TEHRAN, October 14 - On Oct. 14, 1947, U.S. Air Force Capt. Chuck Yeager, 24, flying a Bell X-1, became the first person to fly faster than the speed of sound.