You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Observations of the young HOPS-315 star system show an environment analogous to what our own nascent Solar System would have ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

CAPE CANAVERAL, Fla. (AP) — 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 ...

Some may remember that Pluto was once considered our solar system’s ninth planet until it was demoted to dwarf planet in 2006, when scientists began to realize how many planetary bodies exist ...

A new solar system has been found in the Milky Way. All 6 planets are perfectly in-sync, astronomers say. November 30, 2023 / 3:17 PM EST / CBS/AP ...

Thanks to new measurements of very old meteorites, the current consensus on the Solar System's age is 4.5684 billion years old, with an uncertainty of 240,000 years—a tiny fraction of a percent.

In 2076, the dwarf planet Sedna will make its closest approach to the Sun in 11,400 years, and scientists are now figuring out the best way to visit the outer solar system visitor before its too late.