Astronomy TOP STORY

Powerful Winds Spotted From Mysterious X-ray Binaries

© ESA/NASA

X-ray Binary

ESA's XMM-Newton has discovered gas streaming away at a quarter of the speed of light from very bright X-ray binaries in two nearby galaxies.


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Possible Extragalactic Source of High-energy Neutrinos

© NASA/DOE/LAT

Gamma-Ray Sky around the Blazar PKS B1424-418

Nearly 10 billion years ago in a galaxy known as PKS B1424-418, a dramatic explosion occurred.

Four Lasers Over Paranal

Four Lasers Over Paranal

On 26 April 2016 ESO's Paranal Observatory in Chile hosted an event to mark the first light for the four powerful lasers that form a crucial part of the adaptive optics systems on ESO's Very Large Telescope.


James Webb Space Telescope's Golden Mirror Unveiled

James Webb Space Telescope's Golden Mirror Unveiled

NASA engineers recently unveiled the giant golden mirror of NASA's James Webb Space Telescope as part of the integration and testing of the infrared telescope.


Space Microscope to Test Universality of Freefall

Space Microscope to Test Universality of Freefall

France's Microscope satellite, carrying a set of ESA high-tech thrusters, lifted off last night from Europe's Spaceport in Kourou, French Guiana, taking advantage of the same Soyuz launch that took the EU's Sentinel-1B into orbit.


Hubble Sees Elegance Concealing an Eventful Past

Hubble Sees Elegance Concealing an Eventful Past

The elegant simplicity of NGC 4111, seen here in this image from the NASA/ESA Hubble Space Telescope, hides a more violent history than you might think.


Herschel's View of the Galactic Plane

Herschel's View of the Galactic Plane Video in Story

ESA's Herschel mission releases today a series of unprecedented maps of star-forming hubs in the plane of our Milky Way galaxy.


Hubble Sees a Star Inflating a Giant Bubble

Hubble Sees a Star Inflating a Giant Bubble

For the 26th birthday of NASA's Hubble Space Telescope, astronomers are highlighting a Hubble image of an enormous bubble being blown into space by a super-hot, massive star.


New Look at the Very High Energy Sky

New Look at the Very High Energy Sky

HAWC observations show that a previously known gamma ray source in the Milky Way galaxy, TeV J1930+188, which is probably due to a pulsar wind nebula, is far more complicated than originally thought.


Fermi Poised to Pin Down Gravitational Wave Sources

Fermi Poised to Pin Down Gravitational Wave Sources Video in Story

On Sept. 14, waves of energy traveling for more than a billion years gently rattled space-time in the vicinity of Earth.


Looking Into Dwarf Galaxy Leo A

Looking Into Dwarf Galaxy Leo A

At first glance, this NASA/ESA Hubble Space Telescope image seems to show an array of different cosmic objects, but the speckling of stars shown here actually forms a single body a nearby dwarf galaxy known as Leo A.


Dwarf Galaxy Found Lurking In Another Galaxy's Halo

Dwarf Galaxy Found Lurking In Another Galaxy's Halo Video in Story

Subtle distortions hidden in ALMA's stunning image of the gravitational lens SDP.81 are telltale signs that a dwarf dark galaxy is lurking in the halo of a much larger galaxy nearly 4 billion light-years away.


Inside the Fiery Furnace

Inside the Fiery Furnace

Galaxies, it seems, are sociable animals and they like to gather together in large groups, known as clusters.


Hubble Views The Red Rectangle

Hubble Views The Red Rectangle

The star HD 44179 is surrounded by an extraordinary structure known as the Red Rectangle. It acquired its moniker because of its shape and its apparent color when seen in early images from Earth.


Behemoth Black Hole Found in an Unlikely Place

Behemoth Black Hole Found in an Unlikely Place

Astronomers have uncovered a near-record-breaking supermassive black hole, weighing 17 billion suns, in an unlikely place: in the center of a galaxy in a sparsely populated area of the universe.


Fast Radio Burst Afterglow Was Actually a Flickering Black Hole

Fast Radio Burst Afterglow Was Actually a Flickering Black Hole

Last February a team of astronomers reported detecting an afterglow from a mysterious event called a fast radio burst, which would pinpoint the precise position of the burst's origin, a longstanding goal in studies of these mysterious events.


Hubble Peers Into the Heart of the Milky Way Galaxy

Hubble Peers Into the Heart of the Milky Way Galaxy

Peering deep into the dusty heart of our Milky Way galaxy using infrared vision, NASA's Hubble Space Telescope reveals a rich tapestry of more than half a million stars.


Herschel Reveals a Ribbon of Future Stars

Herschel Reveals a Ribbon of Future Stars

Star formation is taking place all around us. The Milky Way is laced with clouds of dust and gas that could become the nursery of the next generation of stars



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