Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

Discover interesting facts about how the moon formed, what it's made out of, and the many missions humans have launched to ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

At the TCA press tour in Pasadena last week, BBC America presented a panel on the upcoming Blue Planet II. Narrator Sir David Attenborough, executive producer James Honeyborne, series producer Mark ...

Grab your copy of What The Facts now, available on Amazon! Click the link to explore over 500 fun and fascinating facts! From ...

Mars is a fascinating planet in our solar system. Over the years, space organizations have done a great deal of work to further explore Mars, including projects to get crews to the red planet. Mars ...

Today, April 22, is Earth Day, a time to appreciate our planet and the two-way relationship we have with it. It’s easy to take Earth for granted, since we see it every day. It becomes—it is—part of ...

CAPE CANAVERAL, Fla. (AP) — Talk about an Earth-shattering discovery. Scientists have spotted seven Earth-size planets around a nearby star, some or all of which could harbor water and possibly life.

We have just entered a very favorable period for observing the so-called "elusive" planet Mercury. From now, until about May 13, you should be able to find it with not much difficulty. But how well do ...

The planet closest to the Sun may be small in stature, but it’s full of surprises. National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA ...