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

As J.R.R. Tolkien wrote in The Fellowship of the Ring, “Not all those who wander are lost.” But in the case of planets, it’s possible that most of them are.

An interest in understanding the role that the Milky Way played in Egyptian culture and religion has led University of ...

Researchers named it 'Oumuamua, Hawaiian for "scout". 'Oumuamua was later confirmed to be the first object from another star ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast moving body using the world’s most powerful telescopes. It was found to be ...

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

Astronomers say that 'Oumuamua could have been traveling through the Milky Way for hundreds of millions of years before its encounter with our solar system. Just two years after this unexpected visit, ...

The cloud, named Eos, is chock-full of molecular hydrogen and possibly rife with star-forming potential in the future.