In a new study, astronomers detail observations of what could be the first known exosatellite - a natural object orbiting a ...

Researchers at the National High Magnetic Field Laboratory and Brookhaven National Laboratory have teamed up to get a fresh ...

During the Solar System’s first million years, its earliest outer worlds appear to have formed from a carefully filtered mix ...

Iron meteorites show the first bodies of the early solar system were 83% to 92% dry rock, with water arriving millions of ...

Thousands of planets have been discovered beyond our solar system, offering clues to where life might thrive and whether ...

Radio signals have been detected coming from a planet beyond our Solar System, giving astronomers insight into exoplanets' magnetic fields.

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

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