Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

If you’re trying to cheat death on Mercury, this is very promising, but the news gets even better. Mercury's Solar Day is ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Mars, Jupiter and Saturn are frequently seen in the night sky. But because Venus and Mercury orbit closer to the sun than Earth, with smaller, faster orbits, it's more rare for them to make an ...

Mercury retrograde is, more or less, an optical illusion. Yet it holds great weight in astrology. Here's how it might affect your sign.

Mercury, the planet of communication and thought, will enter retrograde. Read what a tarot reader has to say for each zodiac ...

Look up in Michigan's night sky later this month to catch a rare seven-planet parade. The planets will appear to line up in the sky as they orbit the sun, known as a planetary alignment or planet ...

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade happening tonight could be visible in some form in parts of the U.S. The ...