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

Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in ...

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

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 system was the only planetary system known to humans. We had no proof other ...

Mars, our neighboring red planet, possesses some of the most dazzling and extreme geological features within our solar system ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

The European Southern Observatory's Very Large Telescope (VLT) imaged both of the planets directly, and PDS 70b has the ...

Pluto was once the ninth planet of our solar system, until scientists reclassified it in 2006, sparking outrage and debate.

With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and the fifth largest planet in our solar system. It is the only planet in the ...

The Qatar Calendar House announced that Venus, the brightest planet in our solar system, will reach its closest point to the ...

"It feels like something out of science fiction," said European Southern Observatory astrophysicist Julia Victoria Seidel.