nearly 8 times the size of Earth, that don’t orbit a ‘Goldilocks’ star. These are the closest candidates to Earth to support human life on another planet. A year on, these red dwarf stars ...

Earth grew to its final size through one last major collision with another Mars-sized object. This last collision, also known as the “moon-forming impact,” was so large that—in addition to adding lots ...

Narrator: 4 and a half billion years ago, clouds of cosmic dust and gas which were orbiting the Sun collided into one another ... is only a quarter the size of the Earth. Gravity holds it in ...

Another puzzle within Earth's inner depths pertains to the origin of Large Low Velocity Provinces (LLVPs), which are peculiar regions extending for thousands of kilometres at the base of the mantle.

New research suggests that Sputnik Planitia, also called Tombaugh Regio, is the result of a massive smash with another planetary body a little over 400 miles in diameter, roughly the size of ...

Circling another star 150 light-years out is a scorched ... If they manage to discover a rocky planet roughly the size of Earth orbiting in the habitable zone—not so close to the star that ...