Astronomers have mapped the 3D structure of an alien planet's atmosphere for the first time, revealing a layered system of extreme winds.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

A star racing through the Milky Way may have a planet in tow, setting a new speed record for exoplanet systems. Using microlensing, astronomers spotted the pair moving at over 1.2 million mph.

Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.