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The visible portion of the Moon is shrinking.

The Moon is disappearing from the sky for a few nights.

Longshot Space is building a massive gun that could one day launch satellites into orbit without rockets.

Can you see anything on the Moon tonight?

Geometry class, but make it Saturn.

It's the final countdown.

It's almost a new phase in the lunar cycle.

An unknown material fills the universe.

Watch the spacecraft fly to its frigid outpost.

Watch NASA and SpaceX launch NASA's newest space telescope to explore the universe in unprecedented detail.