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

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

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

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

WAYNESVILLE, Ohio (WKRC) — A 14-year-old Eagle Scout with a passion for astronomy has completed a remarkable project at Hisey ...

Astronomers have hoped for the existence of Planet Nine for years. Things were looking promising, but this discovery might ...

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

Would one frozen world, just visible on the rim of the Sun’s kingdom, turn decades of speculation on the concealed layout of ...

Researchers just got a step closer to understanding the origins of our solar system, with the discovery of an object orbiting ...

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

“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 ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...