Since the dawn of the solar system, rocky visitors from deep space have blazed across Earth’s skies. When will the next asteroid or interstellar object make its pass by our planet?

(CNN) — Voyager 1, the farthest spacecraft from our planet, has powered down another science instrument as it explores uncharted interstellar space — a move that could buy time for an ambitious ...

"Interstellar" represents a lot of firsts for Christopher Nolan. The 2014 sci-fi movie was the first time the director infused one of his stories with some real heart and treated it as if it were just ...

The hardest movie ticket to get this weekend was for a film audiences have been able to watch at home for years: Christopher ...

Is space so deadly that we’re effectively imprisoned in our solar system forever? Space is pretty deadly. But is it so deadly that we’re effectively imprisoned in our solar system forever? Many have ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place before our solar system existed.

Our solar system is currently passing through the Local Interstellar Cloud, a region of highly diluted gas and dust between ...