Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

An interstellar comet carries water unlike anything in our solar system, revealing a far colder birthplace and clues about ...

New observations of interstellar comet 3I/ATLAS show high levels of deuterated water, suggesting it formed in a colder star ...

New research confirms Earth formed almost entirely from material in the inner Solar System, with Jupiter acting as a barrier to outer Solar System debris. Isotopic analysis of meteorites shows a close ...

Rosetta's trip to a comet might make scientists second guess the idea that magnetic fields led to the formation of planets. Share on Facebook (opens in a new window) Share on X (opens in a new window) ...

Discover how a rare "kiss and capture" impact gave rise to the Pluto-Charon binary system, shedding new light on the evolution and motion of icy worlds in the outer solar system. (CREDIT: NASA) ...