Fans debunk Thanos' epic moon-destroying moment in Avengers: Infinity War, citing scientific impossibilities, but some others defend the scene. Fans question the scientific possibility of Thanos ...

"With only lunar soil and a basic ingredient from the sun — which is always spitting out hydrogen — there's a possibility of ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

Skywatchers worldwide are in for a charming cosmic display before the sun rises Friday, as three celestial bodies will appear ...

The new moon occurs April 27, and a day later Venus and Saturn will make a close approach to each other (known as a ...

Before sunrise on April 25, a slender waning crescent moon will appear left of Venus and Saturn to create the tilted happy face.

Perhaps the best known of all comets is Halley, correctly pronounced so that it rhymes with rally, not daily. It is named after the 17th-18th century astronomer Edmond Halley. This ...

Launching on 24 April 1990, the Hubble Space Telescope has had an out-of-this-world 35 years capturing some of the most ...

Earth Day is on Tuesday, April 22, this year. The annual observation is set aside to increase awareness around environmental ...

Despite its Earth-like rivers and lakes of liquid methane, Saturn’s moon Titan seems oddly lacking in river deltas — ...

Through its "Moon to Mars" program, NASA plans to send the first crewed missions to Mars by the end of the next decade. To ...

The Lyrid meteor shower is set to peak in Michigan April 21-22, 2025, but clouds are likely to block viewing. Here's what to know.