In Star Trek lore, few symbols are as iconic as the Starfleet insignia—a delta-shaped emblem that has come to represent the ...

Aside from Spock's bangs and the Vulcan salute, Star Trek’s Starfleet insignia, often referred to as the "delta," is one of ...

If you've ever wondered about the origins of Star Trek's United Federation of Planets, check out our handy an explainer about ...

The famed United Federation of Planets was not mentioned on screen until near the very end of Star Trek: The Original Series' ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, as each planet's orbit varies, with some moving more quickly and Mercury, ...

After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

As president of the nearly 200,000-member United Federation of Teachers, Michael Mulgrew has been a player in city politics since 2009. He’s helmed the union comfortably for most of that time ...

Sky gazers across the U.S. will have a chance to see an extraordinary celestial event on Friday as all of the planets in our solar system will appear in the evening sky. This phenomenon known as a ...

Joe Raedle/Getty Images AFT President Randi Weingarten, who has led the union since 2008 following a decade as the president of the United Federation of Teachers in New York, issued the request on ...