What's even more astonishing: with every blistering 30-hour orbit — which heats the planet to close to 3,000 degrees Fahrenheit (1,600 degrees Celsius) — the planet sheds as much mass of molten rock ...

Astronomers from MIT have uncovered a dramatic celestial spectacle: a Mercury-sized exoplanet that is rapidly disintegrating ...

The route to the summit of Mt. Everest (29,029 feet), the tallest mountain in the world, has just arrived at Camp 4 (7,900m/ 25,920 feet). This camp, also known ...