ESA is preparing a mission to study and land on asteroid Apophis during its close encounter with Earth in 2029. NASA is also looking into a possible Apophis effort but faces funding issues.
There's an issue with the fuel line that feeds the Psyche asteroid probe's thrusters with xenon gas. But we needn't worry yet, NASA says.
Astronomers have tracked several meteorites that dropped in on Earth back to their origin, space rocks in the main asteroid belt between Mars and Jupiter.
The Lucy mission to Jupiter's Trojan asteroids is currently cruising through the Asteroid Belt, and will fly close to asteroid Donaldjohanson in April.