The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

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

The future of our solar system has long captivated both scientists and stargazers alike. As highlighted in a recent Live ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...

The answers to those questions depend on how we define the death of the solar system.

Astronomers witness first moments of planet formation as rock grains crystallize around distant star HOPS-315.

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