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 ...

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

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

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

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

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

Scientists observed the earliest signs of a new solar system forming around HOPS-315, revealing how planets emerge from dust ...

Astronomers first identified these minerals using the now-three-year-old James Webb Space Telescope. To see where exactly the ...

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

While astronomers have previously seen young discs that contain newborn, massive, Jupiter-like planets, McClure says, “we’ve ...

The deep-space optical communication link could revolutionize how scientists communicate with spacecraft as they explore the ...

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