While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

Early scientific theories—such as those explaining basic phenomena like gravity, burning, and the movement of molecules in ...

University of Virginia astronomy undergraduates focus on the shadows of asteroids and dwarf planets for their Earth-bound ...

Building an accurate model of Earth’s climate requires a lot of data. Photography reveals the extreme efforts scientists have ...

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Two black holes merged together 2.4 billion light years away from Earth, and scientists have just figured out how fast the newborn ricocheted, and in which direction.