Over time, Earth's interior—which is made mostly of silicate rocks and metals—differentiated into four layers. At the planet's heart lies the inner core, a solid sphere of iron and nickel that ...

We study the ~4.5 billion year history of the terrestrial planets of our solar ... The large-scale architecture of planets is imposed early in their history but is also susceptible to later ...

Deep within Earth, there lies a mysterious layer called the D" layer. Located roughly 3,000 kilometers down, this zone sits just above the boundary between the planet's molten outer core and its ...

Terrestrial planets include Mercury, Venus, Earth, and Mars ... remotely for terrestrial planets around other stars. The layers of gases surrounding the surface of a planet make up what is ...

A key element of this research theme is the search for small, terrestrial planets in the habitable zones of host stars and their characterisation. In particular determining the nature of the planets ...

This means that Uranus has shorter days than on Earth but much longer years. A year on Uranus is 42,718 Uranus days long! Between the orbits of the terrestrial planets and the gas giants ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

Tropical rainforests have an emergent layer of tall trees over 40 m ... biome is estimated to contain over half of the terrestrial species on Earth. Approximately 170,000 of the 250,000 described ...

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity.