Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

The planets are all too hot for life as we know it, but astronomers haven’t given up searching for more planets in Barnard's ...

Read on to learn about the planets and luminaries' significance and their respective effects on your daily lives. iStockphoto/Getty The sun is a luminary, considered the greatest beacon in our ...

When Voyager 2 sped past Uranus on January 24, 1986, the spacecraft detected no significant excess heat from the planet, making it seemingly unique among the sun’s giant worlds. However ...

Our planet is just the right distance from the Sun for life to exist. We call it a Goldilocks planet because the Earth’s temperature, like the porridge in the Goldilocks fairy tale, is not too ...

The orbit Venus takes around the sun periodically results in a phenomenon astronomers refer to as an inferior conjunction, which occurs when the planet transitions from appearing in the evening ...