By Will Dunham WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its ...

A new 3D map of Uranus is shedding light on one of the solar system's most mysterious planets.

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

6 planets will align in a 'planet parade' Saturday, Feb. 28, 2026, shortly after sunset. Here's which planets you might see and how to best view them.

Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

The fourth planet in the system is a rocky world, while the second and third ones are gas planets.

DON’T NOD Reveals New Gameplay for Aphelion. You can check out a five minute new gameplay deep dive. Aphelion is a upcoming ...

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...

Dark matter is so pervasive throughout galaxies that its presence explains the stability and motion of stars in systems such as the Milky Way. For example, current models indicate that our galaxy is ...

The popularity of pseudoscience has long been a reality in our world, and a recent example is the viral The Great Awakening Map poster, which has gone viral on social media and online shopping ...