Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside ...

NASA has confirmed that the comet will swing just inside Mars’ orbit at a distance of about 1.4 AU (210 million km) on ...

T he best time to watch Comet C/2025 A6 (Lemmon) is upon us. Grab your binoculars, telescope, or just get into a very dark ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

And for those of you wondering what all the excitement is about (and who are now perhaps intrigued by this adorable duo), welcome to the story about Rosetta. The mission’s goal is to look at the comet ...

Comet Lemmon was closest to Earth last week, and it is now getting closer to the Sun. It is visible in the western sky after ...

The Rosetta spacecraft was launched in 2004 with an unprecedented mission: landing on a comet. That mission, 10 years in the making, is finally a go: Rosetta just awakened from hibernation on June 3, ...

Late October offers a meteor shower generated by Haley's Comet plus a once in a lifetime comet that streaks by Earth every ...