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...

Apr 20, 2023 by News Staff

The aftermaths of supernovae always produce X-rays, but if the supernova’s blast wave strikes dense surrounding gas, it can produce a particularly large...

Jul 5, 2022 by Sergio Prostak

Using ESA’s XMM-Newton X-ray observatory, NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) and its Chandra X-ray Observatory, astronomers have...

Jul 30, 2021 by News Staff

Using ESA’s XMM-Newton and NASA’s NuSTAR space telescopes, astronomers have observed X-ray flares emitted from around the supermassive black hole in...

Feb 26, 2021 by News Staff

Supernova 1987A (SN 1987A) was first observed on February 23, 1987 in a nearby dwarf galaxy, the Large Magellanic Cloud, some 164,000 light-years away....

Jan 13, 2021 by News Staff

An active galactic nucleus in the center of ESO 253-G003, an active galaxy over 570 million light-years away in the southern constellation of Pictor, erupts...

Jun 18, 2020 by News Staff

Using NASA’s Neil Gehrels Swift Observatory, ESA’s XMM-Newton observatory, NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR), and ground-based...

Apr 15, 2020 by News Staff

A nova is a sudden, short-lived brightening of an otherwise inconspicuous star. It occurs when a stream of hydrogen from a companion star flows onto the...

Sep 29, 2019 by News Staff

Using data from several space- and ground-based telescopes, astronomers have discovered a system of three supermassive black holes within SDSS J084905.51+111447.2,...

Sep 5, 2019 by News Staff

Astronomers using NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) have found a remarkable source of X-rays in NGC 6946, a spiral galaxy located...

Jul 4, 2018 by News Staff

Eta Carinae — a binary star system approximately 7,500 light-years away in the constellation Carina — is accelerating particles to high energies,...

Mar 28, 2017 by News Staff

The Andromeda galaxy (also known as Messier 31) features a dominant source of hard X-rays, but its identity was mysterious until now. An international...

Mar 14, 2017 by News Staff

Using data from the Australia Telescope Compact Array, NASA’s Chandra X-ray Observatory and NuSTAR telescope, a team of astronomers has found evidence...

Mar 2, 2017 by News Staff

For the first time, researchers have measured rapidly varying temperatures in hot gas flowing from the vicinity of a black hole. Artist impression illustrating...

Feb 24, 2017 by News Staff

ESA’s XMM-Newton mission has spotted a pulsar — a rapidly rotating, magnetized neutron star that sweeps regular pulses of radiation in two symmetrical...

Jan 17, 2017 by News Staff

NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) mission has identified two gas-enshrouded supermassive black holes, located at the centers of nearby...

Oct 29, 2015 by News Staff

In 2014, NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) and the agency’s Swift satellite observed an X-flare from the supermassive black hole...

Jul 8, 2015 by News Staff

Active regions of the Sun are highlighted in this composite image combining observations from a fleet of sun-monitoring satellites: NASA’s NuSTAR (Nuclear...

Jul 6, 2015 by News Staff

Using NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) space observatory, astronomers have detected X-rays from five supermassive black holes previously...

May 8, 2015 by News Staff

New observations of the remnant of Supernova (SN) 1987A from NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) are confirming predictions made at...