Imagine being able to replay the formation of the Solar System, not in theory or simulation, but in real time, around a distant star. Just that is what scientists have achieved, capturing the first ...

Add Yahoo as a preferred source to see more of our stories on Google. In an incredible breakthrough, a team of international astronomers have for the first time ever witnessed the birth of a planetary ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

A team of astronomers has identified a four-planet system orbiting the red dwarf star LHS 1903 that defies conventional expectations about how planets arrange themselves around their host stars. The ...

Astronomers using the Subaru Telescope in Hawaii have identified a distant small body beyond Pluto, adding a fourth member to the rare group of objects known as sednoids. A sednoid is a rare type of ...

Peering through a cosmic keyhole at distant baby star, astronomers may have opened a new window on the deep past of our own solar system. Weighing in at 0.6 solar mass, HOPS-315 should someday grow to ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

The newborn planetary system appears to be emerging 1,300 light-years away around a baby star known as HOPS-315. Planet-forming materials were first identified using NASA's James Webb Space Telescope.