"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

A team of researchers has confirmed stars ring loud and clear in a "key" that will harmonize well with the science goals and ...

People often feel tiny when they think about space, yet working out your cosmic address can make everything feel more […] ...

A powerful geomagnetic storm last week brought rare and bright auroras, which were observed even in Florida and Mexico. Lisa Upton, a heliophysicist from the Institute of Southwestern Studies, told ...

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* ...

Simulating a billion years using previous best-resolution simulations would take almost 36 years of real computing time.