Astronomers have confirmed that interstellar objects—cosmic bodies originating from other stars—are passing through our solar ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast ...

Scientists have discovered a comet traveling one way out of the solar system after a close encounter with Saturn. The comet, designated Comet A117uUD (A117uUD), was only discovered on June 14 ...

The Gemini Observatory in Hawai'i has captured a new and revealing image of a mysterious object that's likely the first interstellar comet humans have ever detected. The comet, called C/2019 Q4 ...

Each theory attempted to resolve an apparent contradiction: How could the interstellar interloper named Oumuamua (Hawaiian for "first messenger from afar," and pronounced oh-MOO-uh-MOO-uh) be ...

A newly observed interstellar comet is the most pristine visitor from outer space ever seen in our Solar System, according to a pair of studies released Tuesday detailing its unique characteristics.

Observatories including NASA's Hubble Space Telescope found that the interstellar object named 'Oumuamua gained an extra boost of speed, which likely comes from comet-like jets of gas. YouTube ...

It's a comet. It's an asteroid ... Instead, it could be the first of many interstellar visitors that scientists are able to observe. "We may start seeing a new object every year.

In 2019, he discovered an interstellar comet, which received his name. "I have discovered a new comet. The discovery happened in the early morning of November 8. This evening I received a ...

Caption This is a time-lapse sequence compressing Hubble Space Telescope observations of comet 2I/Borisov, spanning a seven-hour period. As the second known interstellar object to enter our solar ...