RXTE Satellite Exposes the Cloudy Cores of Active Galaxies
Using RXTE satellite data, researchers have revealed a dozen instances where X-ray signals from active galaxies dimmed as a result of a cloud of gas…
Astronomy News
NuSTAR Reveals How Stars Explode
NASA’s Nuclear Spectroscopic Telescope Array untangles the mysteries of what happens to stars when they explode. One of the biggest mysteries in astronomy, how stars…
UCSC Study Details the Destruction of a Star as It Falls into a Black Hole
A newly published study details what happens during the destruction of a star as it falls into a black hole, explaining why observers might fail…
Hubble Views Stars’ Clockwork Motion in Nearby Galaxy
A team of astronomers used the Hubble Space Telescope to measure the average motion of hundreds of individual stars over a seven-year period, revealing for…
Cassini Views the Wisps of Dione
This newly released Cassini image shows a series of geologically fresh fractures on the surface of Dione. Although the crack-like features seen here on Dione’s…
IGR J11014-6103: A Supersonic Pulsar with a Tail 37 Light Years Long
Astronomers have discovered a pulsar that is moving between 2.5 million and 5 million miles per hour with a tail that stretches for 37 light…
Hubble Image of the Day – Stephan’s Quintet
First released in 2009, this Hubble image of the day shows Stephan’s Quintet, also known as the Hickson Compact Group 92. A clash among members…
Simulations Re-Create the Complex Dynamics Near a Black Hole
Astrophysicists re-create and explain nearly all the components seen in the X-ray spectra of stellar-mass black holes. Black holes may be dark, but the areas…
Distinguishing Black Holes from Naked Singularities
A new theoretical paper from researchers at the Harvard-Smithsonian Center for Astrophysics finds there is a way in principle to make a black hole with…
Hubble Views Luminous Infrared Galaxy MCG-03-04-014
This newly released Hubble image shows luminous infrared galaxy MCG-03-04-014. The dominating figure in the middle of this new Hubble image is a galaxy…
IBEX Explores the Magnetic System Beyond the Solar Wind
Newly published research uses IBEX data to paint a better picture of the magnetic system that surrounds us, offering an explanation for a decades-old mystery…
Lunar Rock Samples Reveal Evidence of a Huge Meteorite Strike
Lunar rock samples reveal evidence of a huge meteorite strike 4.2 billion years ago. A WA geologist analyzing lunar rock samples collected during the Apollo…
Astronomers Discover a Drastic Chemical Change Occurring in Birth of a Planetary System
Astronomers have discovered an unexpected chemical change in the transition zone between the infalling envelope and the gas disk around young protostar L1527. The international…
Scientists Produce Geologic Map of Jupiter’s Moon Ganymede
Using data from NASA’s Voyager 1 and 2 spacecraft and Galileo orbiter, scientists have produced the first global geologic map of Jupiter’s moon Ganymede. More…
Astronomers Discover Four Galaxy Clusters 10 Billion Light Years Away
By combining data from the Planck and Herschel satellites, astronomers have discovered four galaxy clusters some 10 billion light-years from Earth. An international team of…
Curiosity Rover Drives Through and Past “Dingo Gap” Inside Gale Crater
This new series of images shows NASA’s Curiosity Rover driving through and past “Dingo Gap” inside Gale Crater. NASA’s Curiosity Mars rover is continuing its…
New NASA Video Shows a 360-Degree View of Saturn’s Auroras
A new video from NASA’s Cassini spacecraft and Hubble Space Telescope shows a 360-degree view of Saturn’s auroras. NASA trained several pairs of eyes on…
Orbiter Examines Clues to Possible Water Flows on Mars
Using images from NASA’s Mars Reconnaissance Orbiter, several new studies examine recurring slope lineae on Mars and possible water flows. NASA spacecraft orbiting Mars have…