Mars’ strangely small mass still puzzles planetary scientists. Definitive answers as to why are still hard to come by.

A planet parade like the one beginning tonight is quite uncommon, occurring once every 10-20 years. Here are the planets you ...

The article describes the unique energies and roles of each planet in the solar system, presenting them as voices that ...

When two probes orbiting the sun aligned with one another, researchers harnessed the opportunity to track the sun's magnetic field as it traveled into the solar system. They found that the sharply ...

“This is a puzzle that challenges the way ... Inner dark comets can be found within the inner solar system, which includes the planets Earth, Venus, Mars and Mercury, and move in nearly circular ...

What is a "conjunction" or "square" in astrology? Here's a list of the most important aspects and what they mean.

On October 19th, 2017, the Panoramic Survey Telescope and Rapid Response System-1 (Pan-STARRS-1) in Hawaii announced the ...

Farnocchia and the astronomical community didn’t have to wait long for another piece of the puzzle. The next year ... reside in the inner solar system (which includes Mercury, Venus, Earth, and Mars), ...