Outer solar system scientists have prepared three mission concept studies considering what flagship missions to Enceladus, Neptune and Triton, and Pluto could do.

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

The Science on Main initiative group is seeking feedback from the community on what to add to the planned Solar System Walk ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Launched on September 5th, 1977, the spacecraft reached Neptune, the outer sentinel of the Solar System, over a decade later. An artist's impression of the Voyager 1 space probe flying past Saturn ...

WEST LAFAYETTE, Ind. — The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet and the solar system seem like a lot to fit in 4 ...

Our solar system used to have nine planets. Astronomer Mike Brown, also known as “the man who killed Pluto,” said he got hate mail from kids and obscene calls at 3 a.m. for years after his ...

Although delivered in a toaster-sized package, ACS3 will take less than 30 minutes to unfurl into an 860-square-foot sheet of ultrathin plastic anchored by its four accompanying 23-foot-long booms.

The way people think of the Solar System has changed many times throughout history. Before the development of the telescope, these ideas were based on what could be seen with the naked eye. This ...