Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine ...

A visitor is hurtling through the void, a silent, ancient vagabond from an alien star system, and by the end of the week, it will make its closest ever approach to Earth. This is no ordinary comet; it ...

Gas giants are truly fascinating. While our solar system has Jupiter and Saturn that are categorized under the umbrella, several gas giants exist outside our neighborhood as well. The largest of them, ...