<p style="text-align: center;"></p> <p>Astronomers using ESA’s Integral gamma-ray observatory have demonstrated beyond doubt that dead stars known as white dwarfs can reignite and explode as supernovae. The finding came after the
<p style="text-align:center"></p> <p>New data from NASA’s Chandra X-ray Observatory offer a glimpse into the environment of a star before it exploded earlier this year, and insight into what triggered one of
<p style="text-align:center"></p> <p>Astronomers using NASA’s Hubble Space Telescope and Chandra X-ray Observatory and telescopes on the ground may have found the most crowded galaxy in our part of the universe.</p> <p>The ultra-compact
<p style="text-align:center"></p> <p>This stunning image of M31 captured by <a href="http://subarutelescope.org" target="_blank">Subaru Telescope</a>‘s Hyper Suprime-Cam (HSC) displays the fruits of international collaboration and technological sophistication aligned with cutting-edge science. The telescope
<p>An extraordinary outburst produced by a black hole in a nearby galaxy has provided direct evidence for a population of old, volatile stellar black holes. The discovery, made by astronomers
<p><a target="_blanK" href="http://www.asc.rssi.ru/radioastron/">RadioAstron</a>, effectively the largest radio telescope ever built, is up and running.</p> <p>The telescope’s main component, a 10-metre radio dish aboard the spacecraft Spectr-R, launched in July to an
<table border=0 bordercolor=#000080 cellspacing=5 cellpadding=0> <tr> <td valign=center> </td> <td valign=center> <p><b>May 30</b>: Tiny crystals of a green mineral called olivine are falling down like rain on a burgeoning star, according to observations from <a
<p> </p> <p style="text-align:center" class="small"> Centaurus A is a giant elliptical active galaxy 12 million light-years away. At its heart lies a black hole with a mass of 55 million suns. Now, the