Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say.

NASA’s Pleiades supercomputer has provided fresh insights into the Oort cloud – a vast, theoretical spherical shell of icy ...

Our solar system exists in one of the Milky Way's smaller spiral arms — the Orion-Cygnus arm — which radiates out from the center of the galaxy. While we can use our vantage point to view ...

For decades, astronomers have discovered hundreds of protoplanetary disks—structures believed to represent the early stages ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

Using new observations with the ALMA telescope array in Chile, researchers have compiled the most precise map of three ...

The best chance for seeing the Milky Way this month will come around Memorial Day weekend in Illinois, according to experts - ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class ...

If you were to look at a giant picture of space, zoom in on the Milky Way galaxy, and then zoom in again on one of its outer spiral arms, you’d find the solar system. Astronomers believe it ...

Solar systems will orbit around the galaxy's core — just like our system completes an orbit around the Milky Way every 240 million years —and aren't pulled into one another as galaxies merge.

If a hypothetical Milky Way TDE’s cosmic rays lined up with the solar system, the effects would cause almost incomprehensible devastation. The energy beams could strip planetary atmospheres ...