Astronomy TOP STORY

The Nearest Quasar Is Powered by a Double Black Hole

© NASA/STSCI

Artistic illustration: binary black hole

Astronomers using NASA's Hubble Space Telescope have found that Markarian 231 (Mrk 231), the nearest galaxy to Earth that hosts a quasar, is powered by two central black holes furiously whirling about each other.


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Astronomy TOP STORIES

New Hubble Image of the Twin Jet Nebula

© NASA/ESA/STSCI

Twin Jet Nebula

The shimmering colours visible in this NASA/ESA Hubble Space Telescope image show off the remarkable complexity of the Twin Jet Nebula.

Chandra Data Suggest Giant Collision Triggered

Chandra Data Suggest Giant Collision Triggered "Radio Phoenix"

Astronomers have found evidence for a faded electron cloud "coming back to life," much like the mythical phoenix, after two galaxy clusters collided.


Star WR 124 and Nebula M1-67 As Seen by Hubble

Star WR 124 and Nebula M1-67 As Seen by Hubble

Here we see the spectacular cosmic pairing of the star Hen 2-427 more commonly known as WR 124 and the nebula M1-67 which surrounds it.


Mimicking the Vacuum of Space To Find Dark Matter

Mimicking the Vacuum of Space To Find Dark Matter

Besides the atoms that make up our bodies and all of the objects we encounter in everyday life, the universe also contains mysterious dark matter and dark energy.


The Tumultuous Heart of Our Galaxy

The Tumultuous Heart of Our Galaxy

This new image of powerful remnants of dead stars and their mighty action on the surrounding gas from ESA's XMM-Newton X-ray observatory reveals some of the most intense processes taking place at the centre of our galaxy, the Milky Way.


The European Southern Observatory Top 10 Discoveries

The European Southern Observatory Top 10 Discoveries Video in Story

Astronomers using the European Southern Observatory (ESO) facilities have been advancing astronomical studies for decades. Along the way, there have been many truly significant findings that have had a major impact on our understanding of the Universe. This ESOcast takes a look at what have been ranked as the top 10 discoveries made using ESO telescopes.


Cosmic Shutterbug: Behind the James Webb Space Telescope

Cosmic Shutterbug: Behind the James Webb Space Telescope Video in Story

This episode of "Behind the Webb" explores the multi-tasking capabilities of one of the cameras on the Webb Space Telescope, the Near-Infrared Spectrograph.


Sibling Stars

Sibling Stars

The loose speckling of stars in this new ESO image is the open star cluster IC 4651, located within the Milky Way, in the constellation of Ara (The Altar), about 3000 light-years away.


Detection of Gamma Rays from Dwarf Galaxy May Point to Dark Matter

Detection of Gamma Rays from Dwarf Galaxy May Point to Dark Matter

A newly discovered dwarf galaxy orbiting our own Milky Way has offered up a surprise -- it appears to be radiating gamma rays, according to an analysis by physicists at Carnegie Mellon, Brown, and Cambridge universities.


The Trigger for Solar System Formation

The Trigger for Solar System Formation

New work from Carnegie's Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system.


Dark Energy Survey Uncovers New Galactic Neighbors

Dark Energy Survey Uncovers New Galactic Neighbors

Scientists on the Dark Energy Survey, using one of the world's most powerful digital cameras, have discovered eight more faint celestial objects hovering near our Milky Way galaxy.


Hubble Finds Supernovae in Wrong Place at Wrong Time

Hubble Finds Supernovae in Wrong Place at Wrong Time

Scientists have been fascinated by a series of unusual exploding stars-outcasts beyond the typical cozy confines of their galaxies.


Jupiter-like Planet Discovered Outside our Solar System

Jupiter-like Planet Discovered Outside our Solar System

A planet 100 light-years away that resembles a young Jupiter has been discovered by an international team of astronomers that includes six UCLA scientists.


Oxymoronic Black Hole Provides Clues to Growth

Oxymoronic Black Hole Provides Clues to Growth

Astronomers using NASA's Chandra X-ray Observatory and the 6.5-meter Clay Telescope in Chile have identified the smallest supermassive black hole ever detected in the center of a galaxy.


NASA Commentators Discuss Last Nights Perseid Meteor Shower

NASA Commentators Discuss Last Nights Perseid Meteor Shower Video in Story

On August 12, meteor experts from NASA's Marshall Space Flight Center provided commentary during NASA Television's live coverage of the annual Perseid meteor shower.


Video: Meteor Moment - How to Watch the Perseid Meteor Shower

Video: Meteor Moment - How to Watch the Perseid Meteor Shower Video in Story

Rhiannon Blaauw, of NASA's Meteoroid Environment Office -- located at NASA's Marshall Space Flight Center in Huntsville, Alabama -- shares some tips and strategies to best view a meteor shower.


NameExoWorlds Contest Opens for Public Voting

NameExoWorlds Contest Opens for Public Voting

Although people have been naming celestial objects for millennia, the International Astronomical Union (IAU) is the authority responsible for assigning official names to celestial bodies.



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