Raised in the Lutheran church, Tycho was led to believe that the earth was the center of the universe, but his carefully ...

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

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

A unique dataset of Type Ia Supernovae being released today could change how cosmologists measure the expansion history of the Universe.

A cosmic filament, 3 million light-years long, has been directly imaged for the first time — offering a new glimpse into the ...

New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

Scientific studies here could enhance our understanding of the solar system, the possibility of life beyond Earth and the evolution of the universe. But there are no international rules in place ...

Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth. The model ...