So how did our planet end up with such a special moon? The answer is that, surprisingly enough, the moon is a piece of our ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target.

"These instruments have been tried out before, during Hera's departure from Earth, but this is the first ... will collect detailed measurements of Mars' two moons and land on Phobos, the larger ...

When sunlight hits Earth’s atmosphere during a lunar eclipse, light frequencies toward the blue end of the visible spectrum ...

Mars has two moons, Phobos and Deimos ... While the car-sized spacecraft flew around the Mars system, flight controllers on Earth temporarily lost communication with Hera because the signal ...

Firefly Aerospace landed a craft safely last week, a first for a private company. But Intuitive Machines’ mission ended when its lander wound up on its side in a crater.