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 ...

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

In 2023, astronomers detected a huge collision. Two unprecedentedly massive black holes had crashed an estimated 7 billion ...

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

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in the Cassiopeia constellation. Credit: Space.com | footage courtesy: NASA, ...

The Milky Way appears as a dusty band of stars, but by observing its radio frequencies a different view can bee seen, revealing parts of the galaxy hidden from sight.

Created using data from two extensive surveys, this spectacular radio image of the galactic plane of the Milky Way provides valuable insights into the birth and death of stars.

Scientists have long held that the universe is expanding at an ever-increasing rate, driven by a mysterious but measurable ...

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

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