Is Pluto a planet? NASA Administrator Jared Isaacman told Congress on Tuesday, April 28, that Pluto should be recognized as a ...

Current NASA head Jared Isaacman, himself something of a controversial choice, is determined to get Pluto reclassified as a planet again. Here's why.

Pluto is a tiny icy world way out at the edge of our solar system. In 1930, an American astronomer named Clyde Tombaugh ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds. Online chatter and a frenzy of media ...

NASA chief Jared Isaacman said at a US Senate hearing that he supports restoring Pluto's status as a planet after a ...

A new formation theory for Pluto's moon Charon could explain why Pluto is geologically active. Illustration incorporates NASA New Horizons terrain imagery. Pluto — demoted to dwarf planets status in ...

Could Pluto be repromoted to planetary status? On Tuesday NASA administrator Jared Isaacman told a Senate committee hearing that he is “very much in the camp of make Pluto a planet again.” NASA is ...

A 10-year-old's earnest letter to NASA, politely requesting Pluto's planet status be reinstated, captured global attention. Her well-researched plea, highlighting Pluto's place in the solar system and ...

Binary star systems may help giant planets form more easily by triggering planet formation far from their stars.