Morning Overview on MSN

3I/ATLAS pulses every 16.16 hours, hinting at a Callisto link

The interstellar comet 3I/ATLAS has started to brighten and dim in a remarkably steady rhythm, repeating every 16.16 hours as ...

Countdown clock to 3I/ATLAS. When will interstellar comet pass by Earth?

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

What is NASA saying about 3I/ATLAS interstellar comet? What to know

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

NASA's Hubble telescope gets another look at 3I/ATLAS. Here's what it found

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.
Space.com

Comet Tsuchinshan-ATLAS is still visible in the night sky, but not for long

Have you seen comet Tsuchinshan-ATLAS yet? If you've not been able to glimpse the bright, icy space rock that's traveled from the edge of the solar system, it's not too late. But you need to see it ...