The first known interstellar meteor hit Earth in 2014, U.S. officials say
The meteor crash-landed off the coast of Papua New Guinea in January 2014.
interstellar
If NASA greenlights this interstellar mission, it could last 100 years
Scientists who want to understand what's beyond our solar system have designed an interstellar spacecraft that could go out farther and faster than the famous Voyager probes.
Record-Busting Star Explosion Baffles Sky Watchers
It's 200 times more powerful than a typical supernova and 570 billion times brighter than our sun. First spotted in June, this stellar monster is wowing astronomers, who wonder what's at its heart.