A blueprint for visiting an interstellar comet

Sometime in 2029, the European Space Agency is scheduled to launch its Comet Interceptor Mission. The Interceptor will wait ...

NASA releases close-up images of interstellar comet making a rare flyby

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

NASA unveils new close-up images of massive comet from outside solar system

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up to 153,000 miles per hour.

How to catch a comet that hasn't been discovered yet

There's been a lot of speculation recently about interstellar visitor 3I/ATLAS—much of which is probably caused by ...

NASA Just Got A Close Look at the Interstellar Comet Whizzing Through Our Solar System

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

December stargazing: An infamous comet and one last supermoon for 2025

By Tom Hawking Published Nov 30, 2025 9:00 AM EST Tayfun Coskun/Anadolu via Get the Popular Science daily newsletter💡 ...

NASA releases new images of rare comet that sparked unfounded ‘alien’ debate

NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of ...

'It Might Save Or Destroy Us': Harvard's Avi Loeb Issues Stark Alien Warning If 3I/ATLAS Isn't A Comet

Harvard astrophysicist Avi Loeb warns that the interstellar object 3I/ATLAS might be a deliberately steered alien probe—an ...