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

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

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.

The probe launched almost 50 years ago and is the farthest human-made object from Earth. Shutting down one of its scientific devices will help it conserve energy and continue traveling toward the edge ...

Astronomers found 'heavy water' in interstellar comet 3I/ATLAS, suggesting it formed in a cold, unusual environment beyond ...

The farthest spacecraft from Earth has shut down another instrument in the hopes of buying time for an upgrade that could boost the aging probe’s impressive lifespan.

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

If you spent too much time watching Toonami in the early 2000s, you are already familiar with Interstella 5555: The 5tory Of The 5ecret 5tar 5ystem. For everyone else, it’s the anime companion film ...

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