A town in the Austrian Alps might not seem like the most conducive place to come up with daring space missions. But, for the ...

Much of the understanding of the seventh planet comes from a brief flyby nearly 40 years ago, which researchers now say overlapped with an exceptional solar event.

Aug. 31, 2023 — A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary ...

When the Voyager 2 spacecraft became the first and ... such as Jupiter, Saturn and Neptune. Magnetospheres are the protective bubbles around planets like Earth that have magnetic cores and ...