The burning question of the week asks why planets have elliptical orbits around the sun given its round shape CBC Radio · Posted: Feb 19, 2021 1:16 PM PST | Last Updated: February 19, 2021 ...

The sun contains over 99% of the mass of our entire solar system. Like Earth, the sun also rotates on its axis. Each rotation takes about 27 Earth days.

An alien comet is now passing through our solar system. Here's what we know Scott SutherlandMeteorologist, Science Writer Published on Jul. 12, 2025, 4:00 AM Updated on Jul. 21, 2025, 6:00 AM ...

The sun is unique in that it's the only star in our solar system. Up to 85% of stars have at least one companion star. The sun contains over 99% of the mass of our entire solar system.