An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might still be nine if some astronomers are correct about an as-yet ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

STARGAZERS are in for a treat this month as a rare planet parade falls in Andromeda galaxy season. “One of the best planet ...

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

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

A shortcut for New Yorkers to spot some of the planets is to look for them when they are near the moon. On Feb. 1, Venus will ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...