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

The number of planetary moons may also increase if we find more planets in the solar system. One such world is the elusive Planet Nine — a hypothetical giant planet that may lurk in the far ...

Firefly Aerospace's Blue Ghost moon lander caught haunting images of Earth while preparing to make its way towards lunar ...

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

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

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

While there are planets and moons all over the solar system, only Earth is lucky enough to experience lunar eclipses because its shadow is just large enough to cover the moon completely.

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 ...

Firefly's "Blue Moon" and ispace's "Resilience" are the latest in an ongoing push to gain private-sector experience exploring ...

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.