Observers across eastern North America and much of Europe will have front-row seats to the striking partial solar eclipse on March 29. Here's what to expect.

Credit: NASA/JPL-Caltech/GSFC HELSINKI — China plans to send a space observatory out of the plane of the ecliptic for a mission to study the poles of the sun. The Solar Polar Orbit Observatory ...

Although the inner world lies a healthy 45° east of the Sun, it doesn't climb high because the ecliptic - the apparent ... how to find the South Celestial Pole using Crux the Cross and the ...