Comets usually fade quietly once they swing past the Sun. Interstellar comet 3I/ATLAS did not follow the same path. Instead, as it began to exit the solar system, it flared up dramatically. NASA’s ...

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 ...

NASA has recently released striking new images of interstellar comet 3I/ATLAS as it unexpectedly flared while exiting the solar system, an unusual surge of activity that has intrigued scientists and ...

Interstellar Technologies wants to vertically integrate launch and satellite businesses. Credit: Interstellar Technologies Interstellar Technologies of Japan, a rocket developer, has raised a $130 ...

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 ...

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 ...

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 ...

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. Breaking ...

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 ...

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 ...

New images captured by the European Space Agency (ESA) of the interstellar comet 3I/ATLAS has "surprised" the agency's Jupiter Icy Moons Explorer (JUICE) team as they saw the "very clearly visible ...