Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Scientists have long suspected this was a relatively peaceful process, with showers of primordial solids slowly raining out ...

New observations of the interstellar comet 3I/ATLAS include the first measurement of the abundance of deuterated water ...

An ancient comet, 3I/Atlas, which journeyed through our solar system last year, is believed to have originated in a ...

Interstellar comet 3I/ATLAS showed changes in its gas composition after passing close to the sun, offering data on its ...

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary systems on its head. Scientists have discovered an alien solar system ...

As the number of exoplanet detections has breached 6,000 and continues to grow, scientists are finding a wide variety of different solar system architectures. Critical to understanding how these ...

The Vera C. Rubin Observatory is set to redraw the map of the solar system by discovering millions of small, fast-moving objects hidden all around us.

A newly analyzed planetary system spotted by NASA’s TESS mission is challenging long-standing assumptions about how planets ...

A strange planetary system called TOI-201 is changing in real time, with three very different worlds pulling on each other.