For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

Traveling to the stars might remain a dream forever. Vast distances, physics limits, time dilation, and cosmic hazards make interstellar missions nearly impossible. Instead, humanity’s greatest ...

Japanese startup Interstellar Technologies is developing Zero, a small launch vehicle. Credit: Interstellar Technologies WASHINGTON — Japanese launch vehicle startup Interstellar Technologies has ...

Our visitor from deepest space is now departing from whence it came. Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or ...

Mysterious interstellar object 3I/ATLAS made its closest approach to Earth on December 19, coming within just 167 million miles. Scientists have been closely monitoring the object — which is largely ...

Add Yahoo as a preferred source to see more of our stories on Google. Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard astrophysicist Avi Loeb points to its unusual trajectory and composition as ...

A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass within ...

Time moves fast. 260 years can zip by in the blink of an eye. That’s how long it took me to fly from the failing Earth of the far future to humanity’s new home upon the Interstellar Arc. One second, I ...

NASA on Wednesday released new images of an interstellar comet, just the third visitor ever confirmed from elsewhere in the galaxy, which show the object as a bright point of light surrounded by a ...

Here’s what you’ll learn when you read this story: Our brain’s evolution makes it nearly impossible to commit to a multi-generational mission like interstellar travel, says one evolutionary ...