Cosmic Queries is a new book written by Neil DeGrasse Tyson and James Trefil and published by National Geographic. Find out how this book balances education and entertainment in a highly readable volume.
Tag: Carl Sagan
Carl Sagan Day: Let’s Make it Official!
Carl Sagan was born on November 9, 1934. Learn more about the movement to observe Carl Sagan day on that date every year. (4:00 min read)
LightSail2 Update
We've been keeping readers informed about the Planetary Society's project known as LightSail2. This is our third update.
LightSail Update
We've been keeping readers informed about the Planetary Society's project known as LightSail2. This is our third update.