Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

The presence of an ocean leaves open the possibility that it could host life. Another nearby moon, Europa, is also considered ...

Galileo precedes today’s physicists by many generations, but his work underscores the interplay of intellect and observation ...

Mathematical equations have been the greatest tool to explain the world around us and the key to advance our knowledge about ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

GALILEO: Good morning, guys, I hope you're having a lovely day. I am Galileo Galilei, a scientist from Italy and I am the man who is making some exciting discoveries around force and I am here ...

Here’s a look at the life of renowned theoretical physicist, cosmologist, astronomer and mathematician, Stephen Hawking.

Musician Megan Thee Stallion turns 30 and actor Natalie Morales turns 40, among the famous birthdays for Feb. 15.

How did the great modern scientific adventure related to the discovery and study of celestial bodies and the cosmos begin?

In 1609, the Italian astronomer Galileo Galilei upended the Earth-centered Ptolemaic view of the universe by determining that the planets circled the sun based on observations made with an early ...