Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

After years of planning, UofA's latest satellite is ready to blast off and study planets outside of our solar system.

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Key takeawaysPlanets larger than Earth but smaller than Neptune are the most common kind in the galaxy, but because our solar ...

The biggest planet in our solar system is hovering over the North Carolina skyline throughout January, and stargazers will soon have the chance to see the astronomical ...

The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Jupiter is reaching its closest approach to Earth in 2026, blazing brighter than almost anything in the night sky and visible ...

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...