Depends on your definition of spacecraft.
Launched by the Saturn 5 rocket (the largest rocket ever built), the first spacecraft to take men to the moon was the Apollo spacecraft.
The International Space Station (ISS) is the largest spacecraft currently in orbit around Earth. It spans about the size of a football field and consists of multiple interconnected modules for research and habitation.
THe largest diamond ever found was 3106.75 carats.
There are currently no plans for a Voyager 3 spacecraft. The original Voyager 1 and Voyager 2 spacecraft were launched in the 1970s and continue to send back data from the edge of our solar system. If there were to be a Voyager 3 mission, it would likely be designed for exploring even farther reaches of space.
The plural for spacecraft is spacecraft.
The Sphinx
Launched by the Saturn 5 rocket (the largest rocket ever built), the first spacecraft to take men to the moon was the Apollo spacecraft.
The largest clipper ship ever built was the Great Republic. It was completed in 1853 and weighed 3,357 tons. It was launched in Boston but never went to sea having burned down before that was accomplished.
No spacecraft from Earth has ever landed on Neptune.
R.Krishna
the largest space craft will be kept in the International Space Station (ISS)
nobody ever landed on Jupiter
There were two , the Japanese battleships Yamato and Musashi which were the largest and most powerful of any battleships ever constructed .
No.
No spacecraft has ever landed on Pluto. The New Horizons spacecraft did a flyby (2015-2016) but did not land on the surface.
Krishna
Krishna patnam