Nicole Mortillaro

You may have noticed two bright "stars" in the west after sunset. Those aren't stars but rather two planets: Jupiter and Venus. And they're on their way for a beautiful meet-up in the days ahead.

Canadians could be in for another beautiful display of the northern lights tonight, after the sun unleashed several fast-moving particles in the Earth's direction over the past couple of days.

The International Space Station had a proposed lifespan of 15 years, but it has far exceeded that, and it's starting to show its age. Is it time to deorbit it?

A new naked-eye star was supposed to grace our skies in 2024, but it never happened. Astronomers say that it's still on the books and could even happen soon.

Canada is stepping up to play an important role in the goal to return humans to the moon. In fact, Canadian tech is already there.

Canada is stepping up to play an important role in the goal to return humans to the moon. In fact, Canadian tech is already there.

Reporting heat-related deaths isn't as straightforward as one might think. If someone dies of a heart attack in a sweltering apartment, should it be recorded as a heart attack or a heat-related illness? And if you can't get accurate numbers as to how many people are dying, how can you put mitigation measures in place to prevent these deaths in an ever-warming world?

Temperatures in the El Niño region in the Pacific Ocean are the warmest they've been on record at this time of year. And the peak is still months away.

Temperatures in the El Niño region in the Pacific Ocean are the warmest they've been on record at this time of year. And the peak is still months away.

Temperatures in the El Niño region in the Pacific Ocean are the warmest they've been on record at this time of year. And the peak is still months away.