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 ...

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

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

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

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

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

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

There are no stars in the sky for the same reason you don't see stars during the day on Earth, according to NASA: The bright ...

NASA was formed in 1958 "to provide for research into problems of flight within and outside the Earth's atmosphere, and for ...

Venus and Saturn will appear extraordinarily close together in the night sky overnight on Jan. 17 during a celestial event ...

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

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