Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

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 chunk of space rock that visited near Earth's orbit last year was widely called a "mini-moon," a nickname that was more ...

On Dec. 27, 2024, NASA's Juno spacecraft swooped by the volcanic world Io. It witnessed a giant eruption.

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

An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an ...

It is thus only fitting for a goddess to be named for none other than the door hinge: Cardea. And now, thanks to Clay ...

The search for water on the Moon has captivated scientists for decades. Beyond its implications for understanding planetary ...

Titan is the second largest moon in our solar system and the only one that has a significant atmosphere. Southwest Research Institute partnered with the Carnegie Institution for Science to perform ...

offering insights that could reshape our understanding of the Earth-Moon system and the broader solar system. The ... Dec. 18, 2024 — Scientists recently led a team that found, for the first ...

The RPS uses two Stirling engines to convert the heat generated by the decay of Plutonium-238 (Pu-238) into electricity.