Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

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

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

NASAs Perseverance rover has collected a historic rock sample dating back to the Noachian era on Mars. This discovery could ...

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

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha Centauri's location and path are shown by a yellow star and a solid blue line ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

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

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.