Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

New research underscores the physics of potential oceans on moons like Europa and Enceladus where aliens could hide ...

In our solar system, Earth is one of only three worlds that sees temperatures above 32 degrees Fahrenheit, while other ...

Astronomers have discovered 85 possible exoplanets outside the Solar System which could potentially sustain life after ...

A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size ...

Stargazers won't need any special equipment to view the four-planet alignment as it will be visible to the naked eye. However, if you have a telescope, you can spot two additional planets, Uranus and ...

What Is a Magnetosphere? A magnetosphere is the region surrounding a planet that is dominated by its magnetic field. While ...

Pluto and Charon's origin story has been rewritten by a recent study, revealing they formed from a unique "kiss and capture" ...

The Mars Sample Return effort was billions of dollars over budget and not expected to return to Earth with its samples until 2040.

NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if ...

From the northern lights ringing in the New Year to a spectacular meteor shower, January is shaping up to be an exciting ...

Throughout January, four planets will line up in the night sky and be simultaneously visible to the naked eye in the Northern ...