Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

As more data is gathered, it will not only provide clearer answers to the forces that shaped our solar system, but also enhance our understanding of the formation, composition, and evolutionary ...

On February 28, 2025, a rare planetary parade will occur, with all seven solar system planets aligned on one side of the Sun.

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

A rare celestial event will take place on February 28 this year, when all seven planets in our solar system will line up and ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

If confirmed, the pair sets a new record for the fastest-moving exoplanet system, nearly double our solar system's speed ...

known as a planetary alignment or planet parade, according to NASA. "While they aren’t once-in-a-lifetime events, planetary ...