The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

New findings offer clues about the ancient origins of asteroids and their potential role in the formation of terrestrial ...

THE search for alien life across our Solar System and beyond has so far kicked up nothing intelligent – let alone microbial.

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

one which can offer superb views of the other bodies in the solar system. But which one to choose? We've got you covered with our guide to the best telescopes for seeing planets. Now's a great ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

Starting up again Saturday, a sweeping view of our solar system will glow in the night sky. The planetary alignment, or a ...