For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

Stargazers in parts of the U.S. have a fleeting opportunity this month to catch a rare celestial phenomena—a "parade" of seven planets—for the last time until the year 2036.

"You have to do it right at sunset and you have to be able to see the eastern horizon ... Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury is the closest planet to the sun and ...

The four planet-strong “planet ... so set soon after sunset. Earth’s rotates from west to east, so stars and planets appear to rise from below the eastern horizon and set below the western ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

With Mercury joining the show, all seven of Earth’s celestial neighbors ... Saturn will slip below the horizon and into daytime skies, ending the seven-planet parade. But stargazers will get ...