Interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope coincidentally spotted this visitor from the stars over a week before it was officially ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) instruments aboard ESA's Jupiter Icy Moons Explorer ...

A team of astronomers has captured unprecedented details of how turbulence in the Milky Way’s interstellar medium bends and ...

A rare comet from another star system is revealing just how different alien solar systems may be from our own.

Steven Spielberg says he became 'fascinated' with directing Interstellar but Christopher Nolan ultimately made the better ...

Astronomers analyzed the vapors coming off the comet when it neared the sun and found it had a lot of "heavy" water. That hints it grew up in a frigid planetary system, possibly before its home star f ...

Earth is flying through the radioactive ashes of an ancient exploded star, and Antarctic ice preserved the evidence.

When you think of outer space, you're likely picturing stars, planets and moons. But much of space is filled with clouds of gas, plasma and stardust—known as interstellar clouds.

Christopher Nolan has worked in science fiction for much of his career, but 2014's "Interstellar" is his most conventionally ...