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 ...

Sky This Week is brought to you in part by Celestron. Friday, February 20Once the waxing Moon sets this evening, its ...

A new 3D map of Uranus is shedding light on one of the solar system's most mysterious planets.

The upturned sickle-shape of the 18%-lit moon will appear 40 degrees above the horizon as the sun sets, with a string of bright "evening stars" representing Venus, Mercury and Saturn arrayed beneath, ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help understand where to look for it.

Explore Pennsylvania through unique, no-cost adventures that showcase the state’s natural beauty and rich history.

Uranus is the seventh planet from the Sun and an ice giant known for its striking blue-green color, caused by methane in its atmosphere. It rotates on its side with a 98-degree tilt, creating extreme ...

The planet's lopsided magnetic field is twisting the light shows.

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

THE Moon’s “skin” is cracking as Earth’s lunar pal SHRINKS, scientists say. Rather than being a dead rock whizzing around Earth, our neighbouring moon is still active – ...