The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

Voyager 1 has spent decades slipping into the dark between the stars, its radio whisper growing fainter with every year. Now ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

The interstellar comet 3I/ATLAS will reach its closest point to Earth on December 19, giving astronomers a closer look at the mysterious visitor before it leaves our Solar System forever. The ...

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 ...

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 ...

Interstellar objects like 3I/ATLAS are most likely to enter our solar system from two specific directions, a new study suggests. What does it mean for Earth? When you purchase through links on our ...

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 ...

We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came and went in 2017. 2l/Borisov, an interstellar comet, was next, appearing ...

Atomic clocks will only see a loss of 1 second in accuracy over a period of 10 million years. They are used in multiple ways, including the GPS in your car. Now researchers have found a way to bypass ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth When Comet 3I/ATLAS roared into the solar system this ...