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

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

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

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

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

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s ...

“What we’ve been trying to do is find a baby version of our Solar System somewhere else,” Merel van ’t Hoff, an astronomer at ...

Our Solar System is beautiful, mysterious, largely unknown… and accessible. In the next hundred years, we can send robotic craft, and even human hands, to many of those worlds.