Why are all the planets on the same orbital plane? Is it a coincidence? Or is something else at play here?
Scientists discovered more than 100 minor planets beyond Neptune, at the far reaches of the Solar System.
This artist’s concept illustrates a catastrophic collision between two rocky exoplanets in the planetary system BD +20 307, turning both into dusty debris.
Planets in our Solar System spin at a different speed, explained in this well done visualization showing the relative speed and axial tilt of them.
A planet has been predicted to orbit the sun with a period of 10,000 years, a mass 5x that of Earth on a highly elliptical
Venus may have been a temperate planet hosting liquid water for 2-3 billion years.
New study provides most accurate estimate of frequency that exoplanets similar to Earth occur around stars similar to our sun.
Astronomers using data from NASA’s Spitzer Space Telescope provide a rare glimpse of conditions on the surface of a rocky exoplanet orbiting a star beyond
Scientists find out that young Jupiter was smacked head-on by massive newborn planet.
Astronomers using a new method to find small planets orbiting nearby stars, which previous surveys had overlooked, discovered 18 Earth-sized exoplanets.