For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare ...

Another finding was how dramatically the planets varied in brightness over just three years. The team discovered that PDS 70 ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.

Seven planets will align in a rare planetary parade, offering a view of five planets visible to the naked eye in the night ...

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could be visible, but not all can be seen by the naked eye.

Once they are all in place, seven of the eight planets in our solar system will grace our sky. For much of the week, six of the planets may be visible, according to NASA. On Friday, however ...