The Space Age framed nuclear propulsion as a quiet rethinking of movement, distance, and endurance beyond Earth.

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 ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

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 ...

An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are capturing ...

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 comet from another star system is due to make its closest—and final—approach to Earth this week before it continues on its journey back toward interstellar space. Interstellar Comet 3I/ATLAS will ...

Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...

NASA JPL pinpoints the moment the interstellar visitor passes closest to our planet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Interstellar ...

Some go to great lengths for their art. Timothée Chalamet has gone to great heights. This week, he became the first person ever to pop up on top of the Sphere in Las Vegas—the latest in a vast series ...

Weeks after a rare interstellar comet made its closest pass to the sun, it will make it’s closest pass to Earth. The comet has traveled billions of miles through other systems in space. Its orbit is ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...