But what if the planets aren’t wispy and puffy at all? What if they’re actually dense and much smaller than we think, but only appear large at a distance thanks to the presence of rings ...

Saturn is a planet widely recognisable for its iconic rings but a new study suggests Earth may also have had a similar ring system over 50 million years ago. As part of the research, 21 asteroid ...

NASA research shows Saturn’s rings are vanishing permanently, with icy particles raining down into the planet’s atmosphere—potentially gone within 100 to 300 million years. Micrometeoroids ...