"We show that interactions between meerkat groups are never tolerant," researcher Mark Dyble said.
The two balloon-like structures stretch hundreds of light-years and are thought to have formed in a violent eruption seven million years ago.
The image reveals in incredible detail a fiery region surrounding the supermassive black hole that lies at the heart of the Milky Way.
Hillary Clinton just joined Snapchat, making her, Rand Paul, Bernie Sanders and John Kasich the most social candidates.
Our inventory of which politicians are using what social networks.
A professional news streamer gave Periscope a try, and a mixed-grade.
The proliferation of smartphones may mean the time is ripe for a livestreaming phenomenon.