"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The eight planets in our solar system orbit the sun in roughly the same plane ... READ MORE: Supermarket to hand out free cup of coffee every day to customers READ MORE: The little road you've never ...

In the early evening, look to the southwest and you'll see Venus (the brightest object in the sky after the Sun and Moon) and ...

Despite the name, a planetary alignment isn’t when the planets get in a row, it’s when a fair few gather on one side of the ...

For much of January and February, you have the chance to see six planets in our solar system after dark, although two — Uranus and Neptune — will be hard to see without a telescope or high-powered ...

So you can see every planet in our solar system over the next month. Here's what you need to know to spot each planet. What is the planetary alignment? Though they appear in an arc across the sky ...

WASP-127b's diameter is about 30% larger than Jupiter, our solar system's largest planet. But its mass is only about 16% that ...

While claims of a “rare alignment” are overblown, you can still see up to six planets in the night sky this weekend. Here's ...

FOUR planets are visible in the night sky. You will have to battle January clouds, but here is how to find them.

is when several planets in our solar system appear to line up in the sky from our perspective here on Earth." The planet parade occurs when the planets' positions in their elliptical orbit around ...