The answers to the biggest questions in space science — what happens inside a black hole, how does a galaxy form or what is ...
Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...
This week, Ice Age Amazonian rock art has been interpreted and appears to depict shamans spiritually transforming into ...
On November 16, 1974, humans sent their first message to the stars in an attempt to contact extraterrestrials. They did this ...
I speak of the 7th planet from the Sun, and third largest in our solar system, which received a flyby — 50,000 miles above ...
Editor in chief Nancy Shute recounts the 50-year anniversary of the hominid's discovery, which upended the study of human evolution.