world
Solar System History: How Was the Earth Formed?
Just how did the Earth -- our home and the place where life as we know it evolved -- come…
10 years ago
How Old Is The Earth?
This article comes from the Universe Today archive, but was updated with this spiffy video. How old is the Earth?…
11 years ago
Astronaut Photos Create a Map of the World
If you could spend a few months -- or even a few days -- living aboard the ISS, what would…
12 years ago