Astronomers have discovered a hefty new Super-Earth that's as dense as lead. This rocky world might just be the leftover core of a gas giant that flew too close to its sun. Meet K2-360 b, an exoplanet ...

NASA's Transiting Exoplanet Survey Satellite (TESS) has once again made a remarkable discovery, as an international team of astronomers has detected a new "super-Earth" exoplanet with an extraordinary ...

Scientists have measured the density of liquid iron -- the main component of rocky planet cores -- under conditions similar to Earth's liquid core: 1,000,000 atmospheres and 4,000 degrees Celsius.

Scientists know the Earth is not hollow, partly because its interior is denser than its surface. Elites are not trying to hide the North and South poles from the public — they’re visible in satellite ...