Washington, October 24 (IANS) NASA’s OSIRIS-REx has surpassed its goal of bringing at least 60 grams of rock sample from asteroid Bennu to Earth, the space agency said.About 8.8 ounces of rocky material colle
New York, August 2 (IANS): Scientists have proposed a solar shield to reduce the amount of sunlight hitting Earth, combined with a tethered, captured asteroid as a counterweight -- a workable design that could