Cosmology

Innovation and discovery as chronicled in past issues of Scientific American

An update by the author of A Universe from Nothing on his thoughts, as a theoretical physicist, about the value of the discipline of philosophy

South Africa wins science panel's backing to host SKA telescope

In less than two months of operation, an experiment at a Chinese nuclear power plant has measured one of the missing parameters that describes neutrino behavior

The next couple of nights may see intense northern lights shows, although the extent is hard to predict

Some say its glory days are long gone, but the universe has life in it yet. Brand-new types of celestial phenomena will unfold over the coming billions and trillions of years

A new supernova yields clues to how white dwarfs flame out

Resolving how the galaxy's halo of stars was assembled would provide important clues about galactic formation

An excerpt from physicist Lawrence M. Krauss's new book explains why we are not the center of the universe

Do we have autonomy, or are our choices preordained? Is that a false choice? And what, if anything, does physics have to say about that?

During the cold war the U.S. found ways to work with the Soviet Union on space missions