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

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

Astronomers are studying 3I/ATLAS, a rare interstellar comet nearing the Sun. Despite viral claims calling it an 'alien ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

CAPE CANAVERAL, Fla. — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.

I/ATLAS was first spotted by NASA scientists in May this year. Ever since, it has displayed behaviors that are not just ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

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

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.

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 ...