You really shouldn't leave your trash orbiting in space.

For decades, scientists have debated whether the early Solar System endured one sudden, catastrophic wave of asteroid strikes ...

Neptune’s small inner moons may actually be the broken remains of a much older family of icy worlds that were destroyed ...

In the evening sky, the only planet available is the very bright planet Venus. It jumps out of early evening twilight in the low western sky and sets shortly thereafter. Venus has been our “evening ...

A Jupiter-mass object orbiting a brown dwarf could become the first confirmed moon beyond our Solar System.

Your daily AI horoscope   The planetary cosmic energy on August 2 invites individuals across all astrological alignments to ...

For the first time in more than a century, a total solar eclipse is coming to mainland Spain with an even longer encore next ...

Considered the "best meteor shower of the year," the Perseid meteor shower is also the most popular, according to NASA. "With ...

For the first time in more than a century, a total solar eclipse is coming to mainland Spain with an even longer encore next ...

In this edition of WTOP’s “Eyes to the Skies,” partial eclipses of the sun and moon will take place in the month of August.

Venus shines brilliantly in the evening sky, but only early-morning observers will be able to catch other solar system worlds.

Our moon is closer in size to Earth than any other moon in the solar system is to its associated planet, however it is far from the largest moon around.