SpaceX CEO Elon Musk said, "The future of humanity is going to bifurcate in two directions: Either it's going to become ...

In his reigning among us, Christ offers a share of his glory, a glory that we can begin to comprehend and experience only in ...

In “A City on Mars,” Kelly and Zach Weinersmith investigate what life would be like for humans on the red planet, arguing ...

Our answer determines our world view, how we see ourselves, how we see others and how we measure what is important.

Should art museums be showing art history? Or cultural history, which isn't the same thing? Getty and LACMA exhibitions give ...

The Martian moons Phobos and Deimos may be remnants of an asteroid that got too close to Mars and was destroyed by its ...

Scientists simulated a situation that may offer an improved explanation for how the Red Planet ended up with small Phobos and ...

To see the planet's blue-green hue, which is caused by the absorption of sunlight from methane gas, you'll need a small ...

Inner planets are the four planets closest to the Sun: Mercury, Venus, Earth and Mars. They are collectively characterized by a solid surface and small size relative to the outer gas giants.

How many planets are there in our solar system? Nine? Eight? Twelve? Hundreds? I know many will insist there are nine, with Pluto as the ninth planet, but ...

This “farthest away” point is known as the planet’s greatest elongation. Since Mercury is in the evening sky, it is east of ...

Jupiter is now well up in the east in the early evening, so we're now able to see the two brightest planets (Venus and ...