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“A large near-Earth asteroid will safely pass by our planet on Wednesday morning, providing astronomers with an exceptional opportunity to study the 1.5-mile-wide (2-kilometer-wide) object in great detail. The asteroid, called 1998 OR2, will make its closest approach at …
“Black holes aren’t stationary in space; in fact, they can be quite active in their movements. But because they are completely dark and can’t be observed directly, they’re not easy to study. Scientists have finally figured out …
“A team of transatlantic scientists, using reanalyzed data from NASA’s Kepler space telescope, has discovered an Earth-size exoplanet orbiting in its star’s habitable zone, the area around a star where a rocky planet could support liquid water. Scientists …
“Eight and a half years into its grand tour of the solar system, NASA’s Voyager 2 spacecraft was ready for another encounter. It was Jan. 24, 1986, and soon it would meet the mysterious seventh planet, icy-cold Uranus. Over …
“Whether robots are exploring caves on other planets or disaster areas here on Earth, autonomy enables them to navigate extreme environments without human guidance or access to GPS. The Subterranean Challenge, or SubT, is testing this kind of cutting-edge technology …
“NASA’s Curiosity rover has captured its highest-resolution panorama yet of the Martian surface. Composed of more than 1,000 images taken during the 2019 Thanksgiving holiday and carefully assembled over the ensuing months, the composite contains 1.8 billion …
“It will be a dark winter’s night when Solar Orbiter launches from Florida on its journey to the source of all light on Earth, the Sun. The mission, a collaboration between ESA (the European Space Agency) and NASA, is …
“NASA has selected four Discovery Program investigations to develop concept studies for new missions. Although they’re not official missions yet and some ultimately may not be chosen to move forward, the selections focus on compelling targets and science that …
“Mission operators report that Voyager 2 continues to be stable and that communications between Earth and the spacecraft are good. The spacecraft has resumed taking science data, and the science teams are now evaluating the health of the instruments following …
“Curiosity has bounced back from numerous glitches during its long and accomplished mission. An attitude problem sidelined NASA’s Mars rover Curiosity recently, but the robot’s handlers whipped it back into shape in short order. “Partway through its last …