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 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 ...

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

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.

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

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

Earlier research had found that the rings of Saturn respond to vibrations within the planet. Saturn's interior vibrates at frequencies that cause slight variations in its gravitational field, and the ...

A SPACE capsule carrying the remains of 166 people and a bounty of cannabis plants has been lost at sea following a surprise ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?