There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...

"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The 15 planet-forming disks around young stars that have been studied in detail by exoALMA. Here ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even ...

Astronomers observe for the first time the actual motion of spirals in a protoplanetary disk, revealing gravitational ...

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

Astronomers have spotted a free-floating ‘rogue’ planet, named Cha 1107-7626, that is going through a massive growth spurt, ...

The origin of the differing tilts in the orbits of the planets in our solar system may have been revealed through the discovery of subtle warps spotted in many planet-forming disks around young stars.