How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

For years, scientists have been scanning the icy outskirts of our Solar System for an unknown massive planet. The ...

A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

The Owl Nebula is an example of a planetary nebula — a type of object that yields glimpses of stellar death in slow motion.

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

An object from outside the Solar System has been spotted hurtling towards the Sun, which, if confirmed, would be the third ...

Despite being known as the Red Planet, Mars shows off its swirling yellows, oranges and browns in a new satellite photo from ...

Using infrared imaging data collected by the two satellites over a 10-year period from 2015 to 2025, the team estimated ...