The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Moons are either gravitationally captured if they are within what's called a planet's Hill sphere radius, or they’re formed ...

On January 18, the team at Firefly carried out Blue Ghost’s first engine burn, firing up the lander’s thrusters and main ...

The Blue Ghost lunar mission has captured a gorgeous image of Earth as it ramps up its journey toward the moon.

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike ... of the Earth-Moon system and the broader solar system. The ... Dec. 18, 2024 — Scientists ...

Titan is the only moon in our solar system with a significant atmosphere. Now we have a very good idea of how this dense ...

A world-leading designer of space robots says gigantic new rockets being tested by billionaires Elon Musk and Jeff Bezos are ...

Blue Ghost, a lunar lander carrying 10 NASA instruments, successfully executed its first main engine burn as part of its ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

We have rounded up some of the most anticipated space events of 2025. Some of them have already taken place, On January 16, the planet Mars shone at its brightest ... makes them quite hard to see.