Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed ...

The stars may not be aligning on Friday night, but seven planets in our solar system just may be. For weeks, outer space ...

Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting ...

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 Space.com and other sites that track celestial events. For the best chances, spectators should look at the sky as soon as the sun sets. That's when the planets will make a brief ...

planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth. Our planet is just the right distance from the ...

The first two weeks of March provide a great opportunity to sight four bright naked-eye planets in the early evening sky. Low toward the west blazes Venus, which serves as a convenient celestial ...

And the planet’s moons are even more mysterious ... our century-long fear and desire to make contact with life from outer space, it does so with a winking acknowledgement of how much this ...

The stars may not be aligning on Friday night, but seven planets in our solar system just may be. For weeks, outer space enthusiasts have been gearing up for a planetary alignment, or "planetary ...