The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

It's the earliest stage of planet formation ever seen by scientists. The new planetary system is taking shape around HOPS-315 ...

Astronomers unveiled a striking view of the new interstellar visitor 3I/ATLAS on its journey toward the inner solar system.

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

Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star, a peek into the dawn of ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

The solar system consists of eight planets, several dwarf planets, hundreds of moons, and billions of asteroids, comets and meteoroids. The exact boundaries of the solar system ar ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...

In a cosmic breakthrough, scientists using the James Webb and ALMA telescopes have caught a rare glimpse of a planetary ...

In 2003, NASA-funded researchers spotted what was then the most distant object discovered in our Solar System. The dwarf planet, named Sedna after the Inuit goddess of the sea, was found over 12.9 ...

In 2018, an independent researcher bought a piece of space rock from a vendor in Morocco. It could change what we know of the Solar System's formation.

The solar system's journey through the galaxy is more complex than most imagine. While we often picture planets orbiting the Sun, the Sun itself is moving, hurtling through the Milky Way at about 230 ...