space

Arts, Culture & Media

Geo answer

The answer to today's Geo Quiz is the Tongue of the Ocean. Never heard of it? It's a 6,000 feet deep oceanic trench off the Bahamas. Its deep blue waters are visible from space. Anchor Lisa Mullins speaks with Apollo 8 astronaut Bill Anders about his 1968 NASA mission to orbit the Moon, and his photograph called "Earth Rising" that he took on Christmas Eve 40 years ago.

Arts, Culture & Media

Czech square mystery

Danish and Czech scientists are working to solve a centuries-old mystery involving 16th century astronomer Tycho Brahe. The mystery is about his death. Scientists dug up Brahe's bones this week to search for clues. But where?

Science, Tech & Environment

Geo answer

For our Geo Quiz we wanted to know the birthplace of the astronomer Johannes Kepler. He was born in Weil der Stadt in southern Germany in 1571. NASA is launching a space mission named after Kepler tonight. The World's David Leveille reports.

Global Politics

Final resting place of Copernicus

Astronomer Nicolaus Copernicus is famous for figuring out that the Earth revolves around the sun. For nearly five centuries the location of Copernicus' earthly remains was a mystery. Now the case is cracked: We're wondering if you know where?