Astronomers have discovered an incredibly rare non-planetary body lurking on the outer reaches of the Solar System, which could shake up scientists' understanding of our little corner of the universe ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our understanding of how planets take shape — not only in our solar system, but ...

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

The comet was discovered on July 1 by the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope. Knowing ...

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

In the dark, icy outskirts of our solar system—far beyond Neptune's orbit—astronomers have discovered a cosmic oddball that ...