Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

New research has revealed everything astronomers currently know about the mysterious interstellar object 3I/ATLAS.

Our solar system is full of awe-inspiring wonders, but it also holds a number of unsettling possibilities that could change ...

For the first time, international researchers have pinpointed the moment when planets began to form around a star beyond the ...

CAPE CANAVERAL, Fla. — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

The solar wind pushes some of the gas and dust away from the comet, forming those beautiful tails we see. A comet actually has two tails: a dust tail and an ion tail. The dust tail is curved and the ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

NARRATOR: Our solar system is home to eight planets, near-perfect spheres spinning through the darkness of space. But the more we explore, the more weird and wonderful worlds we discover.

If everything in our solar system formed from the same solar nebula, why do the planets have different compositions? Herbert Wich Titusville, Florida.

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...