"Rather than 'icy' or 'rocky,' we should simply call them minor giants." ...

Scientists study exoplanets, habitable exoplanets, and biosignatures in space exploration to find Earth-like planets that may ...

Scientists may have just uncovered 10,000 more possible planets lurking beyond our solar system. A new study published by ...

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and planetary masses silently orbit their stars—sometimes thousands of astronomical ...

Infant planets are ravenous little blighters that quickly devour what remains of the star-circling gas and dust clouds in which they form. The gas in these protoplanetary disks disappears rapidly, ...

Water is essential for life on Earth. So, the liquid must be a requirement for life in other worlds. For decades, scientists' definition of habitability on other planets has rested on this assumption.

Earth's Composition Closely Matches Mars, Suggests New Study On Planet's Origins ...

Imagine studying the formation of a star 5 million years in the making, a newborn in the jargon of astronomers, that's tucked away in a "cosmic nursery" light-years away and yielding two growing ...

When you see art of our solar system as the planet orbit the sun, you may notice that Earth's orbit has a tilt. It is not a perfect circle. What's more, Earth is not the only planet that displays such ...

Plenty of threats already loom here on Earth without us having to worry about a star engulfing our planet. Fortunately, us Earthlings have made our home on a planet in a solar system that has ...