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 comet was discovered on July 1 by the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope. Knowing where to look, Rubin’s team found observations of the comet from June 21. For ...

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 ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

For the first time in history, scientists have caught a glimpse of a brand-new solar system just as it begins to form around ...

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

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

Data captured by the ALMA telescope in Chile and the James Webb Space Telescope showed planets forming around a star in the ...