New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

The Sun is a powerful, awe-inspiring force at the center of our solar system. Its brilliance lights up our sky and sustains ...

Almost everything you could want to know about the closest planet to the Sun, Mercury. Real HD photos and videos taken by the ...

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be ...

Zooming fireballs will blaze across the sky in double meteor showers - Delta Aquariids, Alpha Capricornids peak tonight.

Is tonight a full moon? Here's when and how to watch zooming fireballs in the sky from Perseid meteor shower — this weekend.

Astronomers have found 2023 KQ14, nicknamed Ammonite, a rare sednoid with a unique orbit that challenges the Planet Nine ...

Time, as we experience it on Earth, may not be as constant as we imagine. According to Einstein’s theory of general relativity, time is not uniform across the universe; it’s actually affected by both ...

Asteroid 2024 YR4, which once appeared to be on a collision course with Earth, may hit the moon, which could create some ...

In August 2025, skywatchers will be treated to a planet parade like no other, with six planets and the Moon visible in the ...