Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

NEW YORK (AP) — Venus will pass between the Earth and sun on Saturday during what’s called an inferior conjunction. But don’t ...

A space robot said "goodnight" to the moon as it completed its mission, capturing the first high-definition images of a lunar ...

After decades of searching, astronomers have uncovered some of the strongest evidence yet of exoplanets orbiting ... the year it takes Earth to complete one orbit around the sun.

The spacecraft, about the size of a small car, conducted a series of experiments. It drilled three feet into the lunar soil, took X-ray images of the magnetic bubble that surrounds and protects Earth ...

Astronomers have long suspected that there was at least one exoplanet orbiting Barnard's Star — a red dwarf with a mass ...

Venus could make a brief appearance this weekend as it passes between the Earth and the sun ... brightest object in our sky after the sun and the moon. Look for locations with unobstructed ...

(CNN) — After decades of searching, astronomers have uncovered some of the strongest evidence yet of exoplanets orbiting ... it takes Earth to complete one orbit around the sun.

Viasat to lead the lunar orbiting ... surface of the Moon and in lunar orbit. The Moonlight communications system will act as a data highway on and around the Moon, and between Earth and the ...