Arctic sea ice appeared to have reached its annual lowest extent on Sept. 10, NASA and the NASA-supported National Snow and Ice Data Center (NSIDC) at the University of Colorado at Boulder reported today. An analysis of satellite data showed that at 1.60 million square miles (4.14 million square kilometers), the 2016 Arctic sea […]
After losing communication with a space probe two years ago, NASA says it has reestablished contact. NASA said it lost contact with the Solar Terrestrial Relations Observatories, known as the STEREO-B spacecraft, on Oct. 1, 2014, but that on Aug. 21, the Deep Space Network (DSN) established a link with the craft. Contact with the […]
PASADENA, CALIFORNIA—There were hugs, “high fives” and handshakes at Juno mission control at Jet Propulsion Laboratory Monday, as the unmanned spacecraft completed its engine burn to enter Jupiter orbit and start its 20-month mission mapping the giant planet. Scientists and engineers in Pasadena, California, felt “a huge sigh of relief, and excitement,” said principal investigator […]
An estimated 3 million shipwrecks are scattered across the planet’s oceans. Most maritime mishaps take place close to shore where hazards to navigation — such as rocks, reefs, other submerged objects and vessel congestion — are abundant. While there is a romantic association of shipwrecks and buried treasure, it is desirable to know where they […]