The discovery of an extraordinary multi-planet system has demonstrated that so-called "hot Jupiter" planets may not be lonely ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

Six planets will form a rare planetary alignment in the night sky on Jan. 21; here is everything you need to know about the ...

The discovery of two new planets beyond our solar system by a team of astronomers from The University of Warwick and the ...

Scientists have discovered a rare six-planet system where all planets orbit their star in perfect mathematical harmony.

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

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

Have you read on social media about the “once in 396 billion years” planetary alignment happening on Jan. 25? Guess what? Social media is not reliable. Here’s what’s really going on — and why you ...

A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...

NASA and famed astronaut Buzz Aldrin say stargazers have the best chance of catching a glimpse of Saturn and Venus in ...

These are the planets that will be visible with the naked eye. A rare parade of planets will light up the night sky ...

"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't understand." The discovery of an extraordinary multi-planet system has ...