Now we know how a solar storm took out a fleet of Starlinks

On March 23, sky observers marveled at a gorgeous display of northern and southern lights. It was reminder that when our sun gets active, it can spark a phenomenon called "space weather." Aurorae are among the most benign ...

How logic alone may prove that time doesn't exist

Modern physics suggests time may be an illusion. Einstein's theory of relativity, for example, suggests the universe is a static, four-dimensional block that contains all of space and time simultaneously—with no special ...

Astronomers discover helium-burning white dwarf

A white dwarf star can explode as a supernova when its mass exceeds the limit of about 1.4 solar masses. A team led by the Max Planck Institute for Extraterrestrial Physics (MPE) in Garching and involving the University of ...

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