The Parker Solar Probe recently made the closest approach to the Sun by any other spacecraft before it
Mercury gets bombarded by dust from a comet, astronomers find
The planet Mercury is being pelted regularly by bits of dust from an ancient comet, a new study has concluded
Outbursts seen on Rosetta’s comet as it heads for the Sun
Dramatic activity has been witnessed on Comet 67P as it gets ever closer to perihelion