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

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

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

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

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

KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and ...

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was ...

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

The photos reveal a bright and well-developed coma, the cloud of gas and dust surrounding the comet's nucleus, with striking ...

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

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

In a cosmic first, astronomers have spotted the earliest signs of rocky planet formation around a young star. The discovery ...