In 1776, the solar system only had 6 planets. Now, it has 8. Does it end there?

As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...
Smithsonian Magazine

How to See Six Planets Lined Up in the Night Sky This Month—and Glimpse a Rare Seven-Planet ‘Parade’ in February

The next several weeks will give skywatchers a chance to see many planets at once. Shimpei Yamashita via Getty Images The night sky will offer stargazers a special sight for the next several weeks: ...
Phys.org

Where are all these rogue planets coming from?

There's a population of planets that drifts through space untethered to any stars. They're called rogue planets or free-floating planets (FFPs.) Some FFPs form as loners, never having enjoyed the ...

Venus, Jupiter and Mercury to form planet parade in June. How to see it

Venus, Jupiter and Mercury are due to form a planet parade in June visible across the US. What to know, including the date and time and where to look.