The auction house Sotheby’s has offered a new way to get a piece of Mars without entrusting your life to Elon Musk, who has pledged to send people to Mars by 2029: Buying a piece of it instead. A ...

Since Edward Burtynsky’s birth in Ontario, Canada, in 1955, the Earth’s population has roughly tripled, and its economy has ...

Astronomers claim to have found new evidence supporting a controversial observation that our galaxy is residing in an unusually sparse region in space. If it's correct, it could rewrite cosmology.

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...