Stimulating the immune system to fight cancer

Scientists determine the origin of extra-solar object 'Oumuamua - it is likely a piece of a Pluto-like planet from another solar system. Until now, we've had no way to know if other solar systems have Pluto-like planets, but now we have seen a chunk of one pass by Earth.

The mysterious interstellar object 'Oumuamua was a chunk of planet from another solar system, a new study says

Optimal Human Landing System Architectures Identified for Landing on the Moon