Earth will experience a Blue Moon in 2026. The next Blue Moon will occur on May 31, 2026. There are two types of Blue Moons ...

Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

Scientists at NASA are intensifying observations of a massive interstellar comet that briefly vanished behind the Sun before ...

A countdown of the year's most important tech and gadget releases, including new gear from Apple, Hasselblad and more.

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse. Interstellar comet 3I/ATLAS streaks across ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

The mystifying invader 3I/ATLAS, a comet that had been capturing the attention of expert and amateur astronomers alike, passed Earth early Friday morning, making its closest approach to our planet as ...

The interstellar comet 3I/ATLAS makes its closest approach to Earth early Friday. Scientists have tracked the object since its July discovery and confirmed it is a comet, despite online speculation ...

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 ...

Wisconsinites will have a chance to see an interstellar comet make its closest approach to Earth this week. Scientists first observed Comet 3I/ATLAS in our solar system in early July, and by late ...

Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — The Hubble Space Telescope and ...

3I/Atlas, a rare interstellar object that had some astronomers wondering whether it's a spacecraft, will soon reach its nearest point to the sun and Earth. The interstellar comet will come within ...