Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.

The interior of the mysterious far side of the moon may be colder than the side constantly facing Earth, suggests a new ...

Scientists detect a solid inner core on Mars for the first time, revealing a new chapter in planetary evolution.

Phobos, the larger of Mar's two moons may hit the planet or break apart within the next 50 million years. It is currently ...

The differences between the visible and hidden sides of our satellite are not limited to the surface: A new analysis of rocks brought back to Earth last year by the Chang'e-6 mission suggests that the ...

October will begin with a lunar standout: the first of three consecutive supermoons. Supermoons appear slightly larger and ...

Because all earthly life shares a common origin, finding a second tree of life would forever change humanity’s understanding ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

This has been a most interesting year to follow Mars. If you've been monitoring the Red Planet since the start of 2025, you have no doubt noted the dramatic change in its brightness as well as the ...