There are now three "superior" planets that are readily visible in our early evening spring sky: Mars, Saturn and Jupiter [Map]. A superior planet is defined as one whose mean distance from the ...

Kayakers paddle on Lake Superior as seen from Meyers Beach on Sept. 23, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has ...

June's full "Strawberry Moon" is arriving tonight — and it comes with a special treat for stargazers: Saturn will also be at its biggest and brightest. The ringed planet will be in opposition to ...

The Red Planet reaches opposition about once every two years. On Thursday, January 16 Mars will reach opposition and appear bigger and brighter in the night sky. According to NASA, this exciting ...

That is when a superior planet is closest to earth and directly opposite the sun from Earth, causing it to rise at sunset and not set until sunrise.