Astronomers have long searched for clues that a hidden companion star sits out of view near the red supergiant ...

Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

Astronomers are testing a quieter way of searching for moons beyond the solar system, using careful measurements of motion ...

Sky Shorts author says Orion a favorite constellation, and shares key details to find and appreciate its beauty.

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the beginning.

Astronomers have captured the most dramatic view yet of a planet losing its atmosphere, watching the ultra-hot gas giant WASP ...

Tohoku University (Japan), LPP (France), and partners has demonstrated that chorus emissions, natural electromagnetic waves ...

In a new study, scientists used advanced computer models to peer beneath Jupiter's dense swirling cloud tops and tackle a ...

Stargazers will in one week have a chance to spot Saturn and the moon sharing a section of the night sky in what's known as a ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...