Mercury has a rocky surface when, facing the sun, can reach highs of 800 degrees while overnight lows could reach minus 290 ...

Since Dec. 7, 2024, the red planet has been making its westerly retrograde. But on Monday, that all ends, according to ...

To see the parade, find a dark place with a clear view of the western horizon at nightfall. Mercury and Saturn will be low in ...

A shell of icy objects at the edge of the solar system known as the Oort cloud has a pair of spiral arms that resemble a ...

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it ...

The view was acquired on Sept. 14, 2017 at 19:59 UTC (spacecraft event time). The view was taken in visible light using the ...

Astronomers and amateur stargazers will be in for a treat the last week of February when a seventh planet will join six others in a planetary parade.

Mars, Venus, Jupiter, Saturn and Mercury will shine bright enough for the naked eye to see, and you can catch glimpses of Uranus and Neptune with binoculars or a telescope.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Throughout January and February, skywatchers venturing out in the early evening can see six planets in our solar system ...

Because they're surrounded by foul-smelling gases that are incompatible with the human sense of smell, living on the surface ...

Stargazers in parts of the U.S. have a fleeting opportunity this month to catch a rare celestial phenomena—a "parade" of ...