At the center of our planet is a very hot rotating ball of mostly iron and nickel (sorry Journey to the Center of the Earth ...
The surface of Earth's inner core appears to be dynamic, changing shape as it rotates, earthquake waves reveal.
A new, detailed probe of Earth's heart reveals that the rotating inner core doesn't just change in rotation speed – it also appears to change in shape, with subtle variations appearing in the way ...
The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
The existence of these two exoplanets - an inner super-Earth and an outer icy giant planet - within the WASP-132 system is overturning accepted paradigms of how ‘hot Jupiter’ planetary systems ...