How Big Is the Universe?

You were taught to share before you understood ownership.To sit still before you understood why. To raise your hand before you understood who gave anyone the right to decide when you could speak.Nobody called it conditioning. They called it growing up.By the time you reached scho ...  Show more

Four humans left Earth for the Moon. The first in 53 years.We named the program after Apollo's twin sister. Not the god of reason or science. The god of wild places. Of everything that lies just beyond the edge of what we know.That choice wasn't accidental.Apollo took us there an ...  Show more

How do individuals relate to reality? How has humanity attempted to interpret its position in the universe? From navel-gazing to the geocentric universe and beyond, the search for humanity's place has become a long -- and mind-blowing -- enterprise.

How many stars can we see in the sky? Thousands? Billions?

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Gazing up at the night sky is a universal human experience, likely as old as our species itself. But how did our ancient ancestors feel about what they saw in the heavens, and how did it shape their lives? In Episode Two of our three-part Fascination miniseries on unusual archaeo ...  Show more

Gazing up at the night sky is a universal human experience, likely as old as our species itself. But how did our ancient ancestors feel about what they saw in the heavens, and how did it shape their lives? In Episode Two of our three-part Fascination miniseries on unusual archaeo ...  Show more