A proposed planet definition – a planet is a sub-stellar mass body that has never undergone nuclear fusion and that has sufficient self-gravitation to assume a spheroidal shape adequately described by ...

The HubbleSpace Telescope has spied one of the smallest objects ever detected around anormal star. The object further blurs the line between stars and planets and raises new questions abouthow planets ...

A group of six scientists from five institutions including John Hopkins University’s Department of Earth and Planetary Sciences in Baltimore, Maryland, USA are not just sore about Pluto losing ...

A programming language structure wherein the data and their associated processing ("methods") are defined as self-contained entities called "objects." Becoming popular in the early 1990s and the norm ...

In a twist that surprised many astronomers, the definition of planet recently adopted by the IAU is not meant to apply to objects around other stars. Also, it does not take formation history into ...