From meteor showers to visible nebulas, August is primed to be an action-packed month for stargazers in the United States. And one of the highlights of the month? The impending meet-up of Jupiter and ...

Add Yahoo as a preferred source to see more of our stories on Google. From meteor showers to visible nebulas, August is primed to be an action-packed month for stargazers in the United States. And one ...

This weekend, six planets are set to share the sky in a rare “planet parade,” giving stargazers a short but magical window to ...

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think the closer you are to the sun, the hotter they must be. Now that's mostly ...

Venus will align with the sun and Earth to undergo a superior solar conjunction later today (Jan. 6), but what does that mean and, more pressingly, will you be able to see it happen? Read on to find ...

The best “planet parade” of the year puts Venus, Jupiter, and more on display right after sunset—and you can see most of them ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Venus looks like Earth’s twin at first glance, yet its rotation behaves like a cosmic prank. The planet spins backward, crawls through a day that outlasts its year, and even changes its spin rate in ...