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

"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 ...

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative ... in the earliest days of our cosmic neighborhood.

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

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.

Most of the information we have about planets beyond our solar system (exoplanets) comes from looking at dips in starlight as these planets pass in front of their host star. This technique can ...

A star system has been discovered to be moving at an estimated 1.2 million miles per hour, making it possibly the fastest moving solar system in our galaxy.

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

Astronomers may have discovered the fastest-moving planet system ever found, moving through our galaxy at speeds of at least ...

The planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and Saturn ...

People will be able to see a rare sight at the end of this month when all seven other planets in our solar system line up in the night sky. For the last few weeks six of the planets have been ...