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, ...

Scientists studied the history of our sun and its satellites with all the tools they had, and they used the knowledge they gained to shape our understanding of how planets form and evolve.

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

United States. The team tracked the movements of iron, sodium and hydrogen, which allowed them to trace winds in the deep, mid and shallow layers of the planet's atmosphere, respectively.

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 ...