Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 ...

"See To Believe uncovers the forgotten, mind-blowing facts that will leave you questioning everything. Follow wild stories of mysterious creatures, ancient civilizations, how tech impacts our world in ...

A few decades ago, the Solar System had nine planets, but in 2006 the International Astronomical Union reclassified Pluto as ...

We went to the public library in Sham Shui Po during our school’s reading week. Hong Kong’s public libraries give us many ...

The mystery of Planet Nine fuels discussions about the solar system’s complexity. Advisory Alert: It has come to our attention that certain individuals are representing themselves as affiliates ...

J anuary 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf ...

Martin Kornmesser/I.A.U., via European Pressphoto Agency Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight. Mercury ...

Early January is resolution season, and in climate circles that means rehashing the same old debate: Given the enormity of the problem we’re facing, and the amount of responsibility for it that falls ...

The universe, the cosmos, the entire solar system—it’s a never-ending playground for humanity’s curiosity. But what if there’s more to uncover? What if a new planet is lurking in the far reaches of ...

Cone Parade took place in Richmond’s Carytown area on Wednesday, helping bring in the new year with some cone-themed positivity.