Today marks the final day of the legislative session. Since the start of the 30-day session on Jan. 20, Earth, Wind and Fire ...

Would Earth’s growth change the composition of space?

Space around the Sun contains far more than planets. Scattered through it are smaller bodies made of rock, metal, ice and ...

Jupiter’s moons are among the most fascinating worlds in the solar system, but reaching them is a monumental challenge. This exploration explains how far these moons really are, how long spacecraft ...

The planet's radius from pole to center has been revised to 66,842 km, and at the equator to 71,488 km. That makes it about ...

But unlike Jupiter, Venus does have phases, going from not illuminated at all (when it is between the Earth and the Sun) to ...

The gas giant’s shape and size, previously known only from data collected more than 45 years ago, have been updated at last.

Between 7 satellite fly-bys and 2 dedicated missions, you'd think our knowledge about Jupiter would be pretty solid, but ...

Planetary parades, or alignments, take place when major planets in the solar system appear aligned from our viewpoint on ...

In the eastern Utah desert, carbon-dioxide-saturated water bubbles, sprays and foams from the ground. These cold-water geysers, sometimes called soda pop geysers, are a new and reliable Earth-based ...

According to NASA, at least one bright planet can be seen on most nights, depending on the weather.