Astronomers have discovered a new world circling the outer edges of our solar system. Researchers using the Subaru Telescope, located in Hawaii, spotted a small, distant object called 2023 KQ14 ...

An alien comet is now passing through our solar system. Here's what we know Scott SutherlandMeteorologist, Science Writer Published on Jul. 12, 2025, 4:00 AM Updated on Jul. 21, 2025, 6:00 AM ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third ...

The enormous interstellar object, now officially dubbed 3I/ATLAS, is already speeding through the solar system at 41 miles per second, or 150,000 miles per hour.

Harvard physicist Avi Loeb revealed that the object is expected to approach Earth on December 17, speeding through the solar system at more than 41 miles per second (roughly 150,000 miles per hour).

Last week we discussed the strangest things in our universe. But we have a few odd things closer to home, too, right here in our own solar system. Here are just a few.

Scientists have thought that our solar system's inner rocky planets — Mercury, Venus, Earth and Mars —formed first (around 4.566 billion years ago), while gas giants and icy bodies in the ...

Tiny shavings from a single meteorite could completely overturn our understanding of how the solar system formed, after the space rock turned out to be older than expected. Previous research ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...

For only the third time, astronomers have found something passing through our solar system that came from outside the solar system. This interstellar object, known as 3I/ATLAS, is still pretty far ...

For only the third time in history, astronomers have discovered a new interstellar object that originated from outside our Solar System. The object, known as 3I/ATLAS, is likely a comet and is ...