Japanese space probe Hayabusa may have failed to land on the asteroid Itokawa, located about 290 million kilometers away from the Earth, Japan's space agency said Sunday. The Japan Aerospace Exploration Agency said it is uncertain whether Hayabusa has landed on the asteroid, adding the probe is apparently moving upward after hovering around 10 meters away from the small celestial body. The agency said the spacecraft, which temporarily lost contact with it, may have faced some sort of operational trouble. The probe dropped a ball with a reflecting plate as a landing target from about 40 meters above the...