They are also known as 'telluric planets' or 'rocky planets'. Terrestrial planets usually have a metallic core - consisting mostly of iron - and a silicate mantle. They have topological ... whereas ...

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Around the time of your romantic dinner, head outside and look to the southwest to spot the super brilliant planet in the night sky ...

A team of geologists and mineral physicists at Harvard University, the University of California, Argonne National Laboratory ...

Earth’s core is transforming, which could affect the length of our 24-hour day, Earth’s magnetic field, and more ...

Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...

Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...

In a cosmic coincidence, Venus — the planet named for the Roman goddess of love — will be at its brightest and best on ...

Earth's inner core is undergoing structural transformation. Located 3,000 miles below the Earth's surface, the inner core is anchored by gravity within the molten liquid outer core. Until now the ...

The best time to see the planets is after dusk on a clear night in a spot that is away from city lights and other forms of light pollution. Venus is typically the easiest to spot in the ...

Each planet takes a different length of time to orbit the sun: Venus, for instance, completes one orbit in 225 days, while Mercury zips around the star in 88 days and Saturn takes 29.4 years to ...