Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Starting up again Saturday, a sweeping view of our solar system will glow in the night sky. The planetary alignment, or a ...

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Californians watching the sky in February have the chance to view a parade of planets and a snow moon. The planetary alignment that began in January will continue into February, according to ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Welcome to your February horoscope! The month of Valentine’s Day begins—in a way that’s almost too on the nose—with some of the year’s most romantic aspects. Venus, exalted in Pisces, meets up with ...

The world's space agencies are keeping close watch on an asteroid heading our way, because there's currently a 1 in 83 chance ...