Our questions about sub-brown dwarfs and extrasolar planets are hampered by our ability to observe them. For now, they are mere shadows, teasing us with their presence but denying us a good solid look ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...

What distinguishes a star from a planet? This question seems so easy – a star is an enormous, shining-hot ball of plasma, while a planet is a much smaller, cooler conglomeration of rock, ice or gas ...