Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the ...

NASA is inviting the public to add their names to a historic lunar mission known as Artemis 2 that is due to launch between ...

Starting Jan. 21, Canadians can see a rare celestial event as six planets line up in the evening sky, mostly visible to the ...

Looking for a sky event this week? Check out our full Sky This Week column. January 20: Comet Schaumasse slides by some ...

By a small margin, Titan is the second-largest moon in the solar system, and is also the only moon with a thick atmosphere.

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

Kicking off the year's cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

Unfortunately for planet hunters, Mercury, Venus and Mars are all too close to the sun to observe; they will come out of the ...

Since this past September, Saturn’s been the best planet to enjoy through even a small telescope, even though its ring system ...

We flew between the giant planet Jupiter and the sun on January 10. This is Jupiter's yearly opposition. We are now in the ...