The interstellar comet contained abundant elements of carbon-rich chemical compounds, which also included methanol, unlike ...

A newfound comet might light up the skies in fall of 2024, if we're lucky. But before focusing on our latest comet discovery, I first want to mention that this month marks the 50th anniversary of the ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

Scientists have been fascinated by the third interstellar object to ever known to visit our solar system that is revealing ...

It's only the third object in history from outside our solar system to be discovered cruising through our area of space.

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

C/2023 A3 Tsuchinshan-ATLAS as imaged on June 1, 2024 by Gianluca Masi at The Virtual Telescope Project. However, comets are notoriously erratic, and a new study published this week paints a very ...

For those of us who have passed the autumnal equinox, the days are getting shorter and cooler, but the night sky will still be pretty hot. It will be particularly warm if you are in the path of a ring ...

The last time the comet came this close to Earth was during the Stone Age. On Thursday it’ll make its nearest approach to our planet. By Shannon Hall Feb. 2: This article has been updated to include ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. After all, comet C/2022 E3 (ZTF) won’t be back for about ...