NASA discovers new planet ‘remarkably similar to Earth’ in solar system

In a solar system far, far away NASA have discovered a planet which they think 'might be remarkably similar to Earth', though ...

This Small, Icy World Could Rewrite What We Know About Our Solar System's Past

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...
Science Focus

Our Solar System has a wall. And NASA is about to reveal its true shape

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...
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Is There Actually A Ninth Planet In Our Solar System? Here's What We Know

Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...
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In what order did the planets in our solar system form?

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Only two planets spin backwards in our solar system; here’s the reason

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise direction. However, the universe never ceases to amaze us with its unexpected ...

Which Is The Only Planet That Rotates Clockwise?

Discover the only planet in our solar system that rotates clockwise. Learn why this 'rebel' planet spins backwards, how a ...