"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't ...

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

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

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

However, while no such events took place on that date, nor on his revised date of Dec. 25, 1919, the seeds of anxiety and ...

Mars is known as the 'Red Planet.' Learn about its reddish hue, caused by iron oxide, its position as the fourth planet from ...

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

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

Six planets will seem to line up along their orbits, with four of them bright enough to be visible without a telescope ...

The concept of Planet X, or Planet Nine, has captivated astronomers for decades. This hypothetical planet, theorized to be ...

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 ...