Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

Learn about the life and scientific contributions of Johannes Kepler, the 17th-century astronomer known for his laws of ...

New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.

Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...

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

I recently saw a YouTube video by Hank Green discussing how important the Galilean moons are in our understanding of the solar system and the universe as a whole. The ...

Baghdad falls to the Mongols as the Abbasid Caliphate is destroyed and tens of thousands are slaughtered. 1542: Catherine ...

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

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

"For the first time, we could trace the boundary between the gas residing in galaxies and the material contained within the ...

National Inventor’s Day honors inventors of the past, the creators of the present, and encourages the architects of the ...

Large-scale ground-mounted solar parks are relatively new phenomena. Over time, ideas have been put forward about how they can accommodate ...