Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals formed much later than expected. These late-forming bodies match the ages and ...

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New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

ALMA image of HOPS-315, a still-forming planetary system (Credit: ALMA(ESO/NAOJ/NRAO)/M. McClure et al.) International researchers have, for the first time, pinpointed the moment when planets began to ...

The crater, named after geologist and lunar surface expert Tom McGetchin, spans more than two football fields wide ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

When the solar system first took up the task of building solid bodies—such as planets, moons and protoplanets—it basically ...