Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

The interstellar comet, originally called A11pl3Z and now known as 3I/Atlas, was first reported by the Asteroid Terrestrial-impact Last Alert System (Atlas) survey telescope at El Sauce Observatory in ...

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 celestial ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Astronomers have found new evidence that a mysterious ninth planet may be hiding at the edge of the solar system - rewriting what we know about the cosmos again. An international team from Taiwan, ...

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of the solar system as we thought. When you purchase through links on our site, ...