Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours ...

Venus, Saturn, Jupiter and Mars are all visible to the naked eye just after the sun goes down. Neptune and Uranus can also be ...

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

Venus and Saturn will glow in the southwestern sky, with Jupiter in the southern sky and Mars in the southeast or east. The ...

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet image of the planet.

Six planets will be in alignment this weekend, with four of them shining bright in one sweeping view. What to know about the ...

A planetary alignment, one of the greatest planetary displays in years, will shortly take place. Also known as a planet parade, six planets will line up in a row across the night sky from about 21 ...

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

Research and development is underway to create robots that can hunt for signs of life in the vast oceans that exist under the ...

A rare four-planet conjunction will be visible most of this month as Venus, Jupiter, Saturn, and Mars light up the sky.

It was 2020 when Jupiter and Saturn aligned to form what some referred to as the "Star of Bethlehem," and it won't happen again until 2040. Experts told USA TODAY Mars, Jupiter and Venus ...