The planets will align in the night sky on Feb. 28. Here is when to look up and which ones are visible without a telescope.

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

Finding Earth-like planets orbiting sun-like stars and identifying signs of life such as oxygen or water is a major goal in ...

Stargazers will soon have an opportunity to view six planets in alignment in the night sky, according to NASA. Mercury, Venus ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about when and how to see it.

NASA’s Planetary Defense Coordination Office sounds like something out of a disaster movie, but its work is far more methodical than cinematic. Instead of scrambling at the last minute, the office ...

Jupiter, the largest planet in the solar system, may have been responsible for a mysterious age gap in the early solar system's planet building blocks. Credit: NASA / JPL-Caltech / SwRI / ...

Venus and Saturn are due for a visually striking event known as a planetary conjunction this weekend in time with daylight saving.