NASA hopes to launch Pandora this coming fall, and the completion of the spacecraft bus is a big step toward making that a reality. According to Elisa Quintana of NASA's Goddard Space Flight Center, ...

A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

During this astronomical phenomenon, four planets will be visible to the naked eye in the first couple of hours after dark, ...

The traditional Chinese lunar calendar divides the year into 24 solar terms. Winter Solstice (Chinese ... The Winter Solstice also marks the arrival of the coldest season in the year. Here are nine ...

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

It seems like it should be pretty easy to get to Mercury. The little rocky planet is so much closer to Earth than distant ...

In a thrilling close approach, the BepiColombo mission captured its final, stunning images of Mercury before its orbit ...

Mars will seem to disappear behind the full wolf moon Monday for many sky-gazers. Throughout January, also look up to see ...

On Monday night you may have a chance to witness the moon obscuring the Red Planet at its brightest, as well as a comet’s ...