Neptune is an ice giant, composed primarily of hydrogen, helium, and methane, with a hot, dense fluid of icy materials above a small rocky core. Neptune has 14 known moons and at least five main rings ...

The space agency said Wednesday that a sensor on Voyager 2 that analyses charged particles and cosmic rays would be turned ...

The twin spacecraft launched in 1977 and are currently in interstellar space, or the space between stars. Voyager 1 ...

Voyager 1 crossed into interstellar space in 2012, followed by Voyager 2 in 2018, making them the only spacecraft to operate ...

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Uranus radiates more energy than it gets from the sun, two new studies find — just as Jupiter, Saturn and Neptune do.

Now, a group of researchers is proposing a novel approach using the James Webb Space Telescope (JWST), a collaboration between NASA, the European Space Agency, and the Canadian Space Agency: searching ...

The seventh planet from the sun was first discovered on 13 March 1781 by William Herschel, a German-British astronomer.

Considering humans don't have a spacecraft capable of traveling to planets beyond the solar system, scientists have to get ...

You thought Saturn's 146 moons were impressive? Think again. The ringed planet's moon count has nearly doubled with the ...

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...