If you have a question you’d like an expert to answer, send it to [email protected]. Why does Jupiter look like it has a surface – even though it doesn’t have one?

It's one of the astronomical highlights of the year — the best-ever time to look at Jupiter both with the naked eye and with either binoculars or a small telescope. Here's everything you need to ...

The planets are squaring off again — astrologically speaking — and making us reevaluate our goals to actually make them ...

Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread ...

As many as 400 volcanoes are erupting on the surface of Jupiter's innermost moon Io, with virtually every square inch of the ...