Our galaxy is being held together because dark matter is actively keeping everything "stuck". But how precise is this theory?

New research published in the International Journal of Astrobiology suggests that cosmic rays—high-energy particles from space—could generate enough chemical energy underground to sustain life far ...

S4, a $900-million cosmology experiment, would answer one of the greatest questions in physics. Instead it’s become another cautionary tale of pursuing big science amid shrinking budgets ...

Amid simmering anxiety about the future of federally funded science, the U.S. government has quietly withdrawn support for ...

Scientists at the NSF-DOE Vera C. Rubin Observatory in Chile, including some from the University of Wisconsin-Madison, broke ...

Celebrating Women Astronomers Day featuring women astrophysicists on the facultyAug. 1 is Women Astronomers Day, highlighting the historical ...

Astronomers have been aware of cosmic vampires, dead stars that hungrily strip plasma from victim stars, for some time. New ...

The real world is very complex, unlike what you see in movies and on TV. Our planet, with its varied cultures and societies, ...

The spiral galaxy M83 is captured face-on, providing a clear view of its full structure. Chandra's X-ray data reveals ...

What happens when black holes collide? Why do we need sleep? And what powers photosynthesis? Science offers surprising answers, explore the breakthroughs now!

Though invisible, dark matter has a strong pull on space. Its presence bends spacetime, changing the paths of light nearby.

What if the cosmos’s most violent deaths might shed light on its darkest secrets? NASA’s Nancy Grace Roman Space Telescope, ...