Planet Earth is spinning a little faster today — and will spin a little faster one day next month, too. This will technically result in shorter days, but the change will be so minuscule you won ...

Bob McDonald's blog: Humanity gets its first glimpse of what happens when an aging star overwhelms a close orbiting planet, just as our sun is expected to eventually do with Mercury, Venus and Earth.

People tend to associate proximity with warmth, so it seems natural to assume the seasons are caused by changes in how far Earth is from the sun. But the planet’s distance has little to do with ...