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

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

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

Every year on February 19 scientists across the world celebrate Copernicus Day. Learn about the man who changed how we view ...

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.

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

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

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

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

William Matthaeus, the Martin A. Pomerantz Chair of Physics and Astronomy at the University of Delaware, has won UD’s highest ...