In astronomy news this week, astronomers announce the most distant solar system object discovered to date and estimate the limited lifetime of Saturn's spectacular rings.
Hankering to discover new solar systems or understand our own? These citizen science projects and public data troves will help you fill your free time.
Astronomers have kicked around the idea of a distant "Planet X" for decades. But the recent discovery of 2012 VP<sub>113</sub>, located in an orbital "no man's land" roughly twice as far away as Pluto, has stoked the possibility that it really exists.