TEHRAN, Jul 22 -Wall Street’s main indexes were set to open higher on Monday as investors eyed fresh trade developments between the United States and China during a busy week of corporate earnings, with results from marquee names including Facebook and Amazon on tap.
TEHRAN, Jan 16 - When sending spaceships out to explore the solar system, scientists are limited by how far the ship’s fuel can take them.One novel solution being explored is a steam -powered craft that mines water on planets, comets or asteroids as it goes, which advocates say can theoretically explore space “forever.”