Astrophysics

By dating nearly a quarter-million stars, astronomers were able to reconstruct the history of our galaxy—and they say it has lived an “enormously sheltered life.”

If the invisible matter does not appear in experiments or particle colliders, we may have to find it in space

An updated communication could be beamed out for space alien listeners in hopes of making first contact

Researchers have sighted only a handful of these odd radio circles and are trying to pin down what causes them

With its mirrors now focused, the observatory’s science instruments are now being readied for work

The eminent astrophysicist changed the way we view our home star

A recently spotted bright light in the sky is improving astronomers’ understanding of stellar death

Runaway success and underfunding have led to growing pains for the preprint server

In a fraction of a second, the outburst released as much energy as our sun produces in 100,000 years

This new release uses a comet hurtling toward Earth to satirize the way we dismiss scientific facts and the scientists who discover them

The Parker Solar Probe has passed through a boundary and into the Sun’s atmosphere, gathering data that will help scientists better understand stars

The Imaging X-ray Polarimetry Explorer will probe the physics behind black holes, neutron stars and other dynamic cosmic objects