The spacecraft, located more than 24 billion kilometres away, was feared lost to the cosmic ocean after decades of travel. But, as Andrew Griffins writes, thanks to a daring feat of human ingenuity ...

The Hubble Space Telescope has been imaging the outer planets of our solar system for a decade, learning about their strange ...

Encountering Neptune in 1989, NASA's Voyager mission completed humankind's first close-up exploration of the four giant outer planets of our solar system. Collectively, since their launch in 1977 ...

This is a montage of Hubble Space Telescope views of our solar system's four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken over ...

This is a montage of Hubble Space Telescope views of our solar system's four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken over ...

Skywatchers across the United States witnessed a total solar eclipse, SpaceX caught a giant rocket out of mid-air with a pair ...

The Webb Telescope reveals new insights into icy planetesimals, shedding light on the early solar system's evolution.

Is there an unseen planet — a "planet X" or "Planet Nine" — in the outer solar system? That possibility is supported by calculations in a new study that shows the hypothetical planet could ...

New studies led by researchers at the University of Central Florida offer for the first time a clearer picture of how the ...