Are people on the South Pole walking upside down from the rest of the world? – Ralph P., U.S. When I was standing at the South Pole, I felt the same way I feel anywhere on Earth because my feet were ...

It took millions of years of being a species before humans took the first picture of our own Earth's southernmost point. Now, after less than a century in space, we've photographed the Sun's south ...

American astronauts who return to the moon's surface in the years ahead for the first time in more than half a century will ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic microwave background, it is imperceptible to the human eye. But if scientists can ...

A colossal northern asteroid impact billions of years ago likely shaped the Moon’s south polar region and explains its uneven ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Are people on the South Pole walking upside down from the rest of the world? – Ralph P ...