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 ...

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 ...

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 ...

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 ...

In some ways, Trump’s broader flexing of power has achieved what he set out to do. But his attempts to push prosecutions of rivals have been far less successful. By Michael S. Schmidt and Jonah E.

America's federal courts have delivered in the past three weeks a series of colossally embarrassing defeats in President Donald Trump's furious campaign to punish his critics by contorting our justice ...

Dr. Larry Denneau of the University of Hawaii is nothing like your typical astronomer. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What ...

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 ...

It feels like I’ve been transported into a scene straight out of a science fiction movie. I’m walking around on a giant centrifuge in space, which I can see the outlines of at the edge of my vision.

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 ...

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 ...