Four astronauts are about to fly around the moon on NASA's Artemis 2 mission, and you can join them by adding your name to ...

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

Meghan Trainor tells PEOPLE she's dreamed "for so long" about having a baby girl and that her sons are "over the moon" about ...

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.

The U.S. is once again challenging itself to go to the moon, and this time, NASA and the Trump administration want to ...

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 ...