The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

Portal Space Systems says that a rapid-maneuverability space vehicle called Starburst will leverage technologies it's already ...

The James Webb Space Telescope captured massive galaxy cluster RX J2129. located about 3.2 billion light-years away. A ...

Portal Space Systems says it will develop a highly maneuverable satellite bus, with a first flight planned for late 2026.

"The supernova was named 'supernova Hope' since it gives astronomers hope to better understand the universe’s changing expansion rate." When you purchase through links on our site, we may earn an ...

As if dark energy weren't already mysterious and baffling enough, new research suggests that this unknown force may not be ...

A 'prelude to a supernova' is how NASA describes this stunning new James Webb Space Telescope image of Wolf-Rayet Star WR 124 ...

Bothell-based Portal Space Systems has introduced Starburst, an ESPA-class rapid-maneuverability spacecraft, and confirmed ...

NASA, ESA, CSA, STScI, B. Frye (University of Arizona), R. Windhorst (Arizona State University), S. Cohen (Arizona State University), J. D’Silva (University of ...

In a controversial new paper, researchers argue that the acceleration of the universe's expansion has slowed down.

This revelation means scientists might have to rethink Type II supernova models, which would result in some of these cosmic ...

AUSTIN (KXAN) — The insides of a star are on full display thanks to an explosion. New research published this month in Nature is revealing the details of a star’s core. “This is the first time we have ...