Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles within this cloud collided and clumped together, driven by gravity and ...

New research shows how Jupiter carved out rings and gaps that changed how and when planets and meteorites formed.

Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...

Many scientists call Jupiter the architect of the solar system because its immense gravity influenced the orbits of other ...

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects ...

Jupiter, the colossal planet at the heart of our solar system, has long been a subject of intrigue. Recent research from Rice ...

New simulations from Rice University reveal how Jupiter’s rapid early growth blocked gas and dust from reaching the Sun, ...

Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...

How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon. When you purchase through links on our site, we may earn an affiliate ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers were in ...