Last year, news broke that scientists had discovered a huge inbound comet, named Bernardinelli-Bernstein. It was the most distant comet we'd ever discovered. And it was huge, so big scientists ...

This graphic shows the position of the Voyager 1 and Voyager 2 probes in relation to the protective bubble created by the sun that extends well past the orbit of Pluto. Voyager 1 crossed the ...

An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort Cloud, a large expanse of icy bodies revolving around the sun at a distance ...

On November 5, 2018, NASA’s Voyager 2 spacecraft became the second human-made object to cross into interstellar space. Now, scientists have shared the initial science gained by Voyager 2’s historic ...