Jan 8, 2024 by News Staff

New research suggests that the Green Monster — a curious structure first spotted in Webb data in April 2023 — came from that blast wave slamming...

Dec 11, 2023 by News Staff

Objects in space reveal different aspects of their composition and behavior at different wavelengths of light. A supernova remnant called Cassiopeia A...

Apr 10, 2023 by News Staff

A new mid-infrared image from the Mid-Infrared Instrument (MIRI) onboard the NASA/ESA/CSA James Webb Space Telescope shows the supernova remnant Cassiopeia...

Mar 2, 2023 by News Staff

Astronomers using the Imaging X-ray Polarimetry Explorer (IXPE) — a collaboration between NASA and the Italian Space Agency — have observed...

Oct 18, 2022 by News Staff

Cassiopeia A is a remnant that blew up as a supernova approximately 11,000 years ago. This composite image shows the supernova remnant Cassiopeia A, a...

Feb 15, 2022 by News Staff

The Imaging X-ray Polarimetry Explorer (IXPE), an international collaboration between NASA and the Italian Space Agency (ASI), has captured an image of...

Apr 28, 2021 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory have detected stable titanium, along with chromium and iron, blasting out from the center of the supernova...

Aug 28, 2019 by News Staff

A new video released by NASA’s Chandra mission shows how Cassiopeia A has evolved over more than a dozen years in X-ray light. Cassiopeia A, which is...

Apr 9, 2018 by News Staff

A new study from Cardiff University suggests there may be a cosmic lack of phosphorus, a crucial ingredient for life. This is a mosaic image, one of the...

Jan 30, 2015 by News Staff

Astronomers Dr Dan Milisavljevic of Harvard-Smithsonian Center for Astrophysics and Dr Robert Fesen of Dartmouth College have generated a three-dimensional...

Feb 20, 2014 by News Staff

An international team of astronomers using NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) has revealed how stars blow up in supernova explosions. This...

Apr 4, 2012 by News Staff

A team of scientists using long observations from NASA’s Chandra X-ray Observatory has suggested a massive star that became the Cassiopeia A supernova...