Companies were ranked on a scale of one to four stars by the Environment Agency. Out of a maximum score of 36 stars, the nine water firms in England scored a total of 19.
Comet Lemmon came closest to the Earth when it was 56 million miles away, but will still be a "fairly bright, fuzzy object" for people to see in the evening sky.
While NASA has been planning to use SpaceX's Starship rocket system to land on the lunar surface, proposals will now be accepted from rivals as the US tries to return astronauts to the moon before China gets there.
Ed Conway gains access into the heart of "data centre alley" in Virginia - home to the servers that power nearly all the major AI and cloud services in the world.
The Australian Space Agency is set to conduct "further technical analysis" to identify the source of the debris found burning in a remote area on Saturday.