Mercury, the smallest and innermost planet in our solar system, may be home to a dazzling secret hidden beneath its scorched ...

A planet 140 light-years from Earth is rapidly coming apart due to its close proximity to its star. The roasting planet is effectively evaporating away: It sheds an enormous amount of surface minerals ...

WASHINGTON (Reuters) -Astronomers have spotted a small rocky planet that orbits perilously close to its host star ...

MIT astronomers have found a Mercury-sized planet, located 140 light-years away, that is disintegrating rapidly due to its ...

Astronomers discovered a planet that orbits its star so closely that its surface is being scorched into magma and vaporizing ...

We were doing the typical planet vetting, and I happened to spot this signal that appeared very unusual.” An orbiting ...

As President Donald Trump’s pick to be NASA administrator, Jared Isaacman is going to have to navigate Washington politics, ...

Rise and shine early on Friday, to see a celestial 'smiley face' in the eastern predawn sky. While meteor showers and auroras ...

"The extent of the tail is gargantuan, stretching up to 9 million kilometers [5.6 million miles] long," said MIT astronomer Marc Hon.