Features and benefits: The NexStar 130SLT offers a computerized system that can automatically find and track celestial ...

Whether with the naked eye or through binoculars or a telescope, the Pleiades is a visual treat in the northern winter sky.

Catch all the giant planets overnight, with bright Mercury after sunset and dazzling Venus before sunrise. Plus, don't miss ...

These six worlds have orbital periods that are multiples of each other, indicating the system has evolved "gently" and ...

During partial phases of a solar eclipse, one popular activity is to project and capture solar crescents when trees are in ...

Monday, December 4 Mercury reaches greatest elongation from the Sun (21° east) at 9 A.M. EST. The planet is visible as an ...

Early astronomers strove to understand the harmonies of our solar system. Today, scientists hunt for tones of a different ...

The nearly Neptune-sized planet LHS 3154 b orbits close to a very small star and challenges theories of how planets form.

Mary Cleave was the tenth woman in space, the first woman to fly in NASA’s Space Shuttle missions after the Challenger ...

Comets are named based on the time they are found, the types of orbits they follow, their discoverers, or even those who ...

You can spot sparkling star clusters, identify bright planets, and observe the Full Moon in the autumn sky this week.

Researchers discovered these galaxies, which are in their awkward 'teenage' era, are filled with a 'flabbergasting' amount of ...