Powerful explosions suggest neutron star missing linkObservations from NASA's Rossi X-ray Timing Explorer (RXTE) have revealed that the youngest known pulsing neutron star has thrown a temper tantrum. The collapsed star occasionally unleashes... — full story
A new study using results from NASA's Chandra X-ray Observatory provides one of the best pieces of evidence yet that many supermassive black holes are spinning extremely rapidly. The... — full story
A powerful jet from a black hole is blasting a nearby galaxyA powerful jet from a super massive black hole is blasting a nearby galaxy, according to new findings from NASA observatories. This never-before witnessed galactic violence may have... — full story
Chandra Observatory discovers cosmic cannonballOne of the fastest moving stars ever seen has been discovered with NASA's Chandra X-ray Observatory. This cosmic cannonball is challenging theories to explain its blistering speed... — full story
Missing black hole report: Hundreds found!Astronomers have unmasked hundreds of black holes hiding deep inside dusty galaxies billions of light-years away. The massive, growing black holes, discovered by NASA's Spitzer and... — full story
Stellar forensics with striking new image from ChandraA spectacular new image shows how complex a star's afterlife can be. By studying the details of this image made from a long observation by NASA's Chandra X-ray Observatory, astronomers... — full story
Heaviest stellar black hole discovered in nearby galaxyAstronomers have located an exceptionally massive black hole in orbit around a huge companion star. This result has intriguing implications for the evolution and ultimate fate of massive... — full story
Major step toward knowing origin of cosmic raysRecent observations from NASA and Japanese X-ray observatories have helped clarify one of the long-standing mysteries in astronomy - the origin of cosmic rays. Outer space is a vast... — full story
Dark matter mystery deepens in cosmic train wreckAstronomers have discovered a chaotic scene unlike any witnessed before in a cosmic 'train wreck' between giant galaxy clusters. NASA's Chandra X-ray Observatory and optical telescopes... — full story
New view of doomed starEta Carinae is a mysterious, extremely bright and unstable star located a mere stone's throw - astronomically speaking - from Earth at a distance of only about 7500 light years. The... — full story