This gravity disparity is largely due to that equatorial bulge creating non-uniform distances from points on the planet's surface to center of the Earth, and to the fact that the Earth spins.

So put your kids in charge of eliminating single-use plastic from an upcoming family vacation, and watch as your little planet protectors ... kids and save-the-Earth sightseers.

Narrator: 4 and a half billion years ago, clouds of cosmic dust and gas which were orbiting the Sun collided into one another, creating the Earth, our planet, the home of mankind. It spins at 1000 ...

But true stewards of the planet inspire people outside the family to keep the Earth clean. Start by helping your kids organize a weekly or monthly Garbage Club. Talk through who to recruit—and ...

The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...

Deforestation is a very destructive process that threatens the health of our planet and its inhabitants ... Rainforests in these regions cover just 2% of Earth's total surface area and yet ...

Hans Zimmer shares the tracks that inspired him and his team to create the incredible, original soundtrack for BBC One's Planet Earth II. Would you have what it takes to capture the incredible ...

Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are still billions more to be discovered! At the same time, exoplanetologists have ...

Curious Kids is a series for children ... @theconversation.com. Why do some planets have moons and some don’t? – Siddharth, ...

Computer simulations suggest that there is an undiscovered Earth-like planet lurking in the distant ... [+] Kuiper Belt, well past the orbit of Neptune (artistic illustration). There may be an ...