Astronomers have unveiled the largest planet-forming disk ever observed around a young star, a sprawling structure where gas and dust are actively assembling new worlds. The discovery pushes the ...

Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust surrounding the early Sun. Once they were large enough, they attracted large ...

A new study hints that Saturn's largest moon, Titan, was created around 400 million years ago, when two massive moons smashed into each other. This hypothesis could also help to solve several other ...