When most people think of our Solar System, they think of the 8 planets officially recognized by the International Astronomical Union (IAU). But what if I told you there are at least 40 planets ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same time, challenging current models of our solar system’s evolution.

The Solar System is a fascinating place, with each planet orbiting the Sun at its own unique distance. But how far apart are these planets, and how do they travel through space? Uncover the true ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.

Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star. They reported Wednesday that it's an unprecedented snapshot of “time zero” when new worlds ...

The action is unfolding in a location comparable to the asteroid belt between Mars and Jupiter containing the leftover building blocks of our solar system’s planets.

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a peek into the dawn of our own solar system ...

Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star. They reported Wednesday that it's an unprecedented snapshot of “time zero” when new worlds ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.

If our Solar System had baby pictures from over 4.5 billion years ago, they would look something like the otherworldly swirls of dust and gas surrounding the young star HOPS-315. Nascent planets ...