If there are so many planets out there in space why haven't we colonized other planets and created human civilization across the solar system?
The solar system's biggest status symbolBased on data from a spacecraft that has been studying the planet Mercury, scientist think there is is good possibility that underneath the planet's crust is a 10-mile layer of diamond! Just think. If you ever land on Mercury (admittedly not very... See More ยป
Pluto will always be a planet in my bookPluto's "demotion" was largely about politics. Much of the following is based on the book "Chasing New Horizons", written by Alan Stern and David Grinspoon. Stern was in charge of the New Horizons mission to Pluto. Pluto was discovered by an... See More ยป