Scientists have been searching for Planet Nine for eons. It’s something that we have yet to discover any solid evidence for, but there are gravitational effects in our solar system that seem to only ...

Scientists have spotted the first evidence of an alien world with an atmosphere that's layered like Earth's — although perhaps a little too toasty for human tastes. The planet, dubbed WASP-189b, isn't ...

A layer of diamonds up to 18 kilometers (11 miles) thick could be tucked below the surface of Mercury, the solar system's smallest planet and the closest to the sun, according to new research. The ...

Scientific studies reveal a 9-mile diamond layer at Mercury's core-mantle boundary, influencing heat transfer and the magnetic field. Graphite and Diamond both are isomers of carbon. In graphite the ...