Mercury takes only 88 Earth days to orbit the sun.

On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, ...

Two papers showed these intriguing signals, but the team stresses that there are currently many uncertainties to confirming ...

Sometimes, the best innovative ideas come from synthesizing two previous ones. We've reported before on the idea of having a ...

Stargazers are in for a treat this month, with February's night sky offering a spectacular array of celestial events. The ...

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

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

NASA has shared details of what to look out for in the night sky this month, with the moon appearing alongside a parade of planets.

The exoplanet Enaiposha (GJ 1214 b), previously thought to be a mini-Neptune, has been reclassified as a "Super-Venus" ...

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