The sun may rise every morning, but the amount of sunlight reaching Earth's surface can substantially vary over decades, according to a perspective article led by an international research team.

We’ve wondered what powered the Sun for centuries. Early guesses included meteor showers, chemical combustion, and ...

See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025. Today, April 14, 2025, the moon is 16 days old and is in the Full Moon phase of its lunar cycle.

A new study in Monthly Notices of the Royal Astronomical Society by researchers including István Szapudi of the University of ...

On the morning of April 21, you’ll be able to see Venus, Mercury, and Saturn low in the east — all without a telescope.

The following answers to this artful question each win a random book. Art is something we do, a verb. Art is an expression of our thoughts, emotions, intuitions, and desires, but it is even more ...