Radar observations made with NASA’s 70-metre-wide Deep Space Network antenna at Goldstone, California yesterday show that close-approach asteroid 2004 BL86 has a small moon.

Looping back near Earth for the first time since its launch one week ago, NASA’s Transiting Exoplanet Survey Satellite fired its thrusters early Wednesday to begin boosting its orbit toward the moon for a May 17 gravity assist maneuver that will help catapult the probe into its unique science orbit.

NASA’s Lunar Reconnaissance Orbiter has spotted China’s Chang’e 4 lander and rover on the far side of the Moon in new images, as the Chinese robots explore the floor of Von Kármán crater.