Throughout 2025, there have been several chances to spot the Northern Lights across Canada. The best of all these ...

The interstellar comet has already made its way past Earth and is on its journey towards interstellar space now.

This is the first detailed detection of a jet of gas and dust shooting out from an interstellar comet's center.

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

Using the WISPR (Wide-Field Imager for Solar Probe) instrument aboard NASA’s Parker Solar Probe, scientists observed the interstellar comet 3I/ATLAS from October 18 to November 5, 2025.

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in 2025. Here's how they unfolded.