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

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

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

Each planet in our solar system is given a unique, humorous catchphrase that reflects its personality and role. From ...

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

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

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

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

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

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

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 ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...