"This is a snapshot of where we are very early in the scientific process." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Since the interstellar ...

An interstellar comet named 3I/ATLAS, originating from outside our solar system, is passing through. NASA recently released new images of the comet, which is being studied by astronomers worldwide.

When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

A comet from another star system is putting on a show that looks uncannily like a heartbeat, with bright jets of gas and dust switching on and off in a steady rhythm. New NASA images of Comet 3I/ATLAS ...

NASA's Hubble Space Telescope and an ESA orbiter bound for Jupiter both recently glimpsed 3I/ATLAS. The comet will make its closest approach to Earth in December but poses no threat and is not visible ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with such frequency. When you purchase through links on our site, we may earn ...

NASA and ESA both shared new images of the interstellar comet 3I/ATLAS this week, as the agencies gear up for the mysterious object's closest approach to Earth on Dec. 19. When you purchase through ...

A cosmic traveler from beyond our solar system is giving scientists an unprecedented show, and the discoveries keep getting more intriguing by the day. Interstellar comet 3I/ATLAS, officially ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter. When you purchase through links on ...