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886 article(s)
Surprise! TESS Shows Ancient North Star Undergoes Eclipses
January 8, 2020 
Astronomers using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) have shown that Alpha Draconis, a well-studied star visible to…
NASA’s Great Observatories Help Astronomers Build a 3D Visualization of an Exploded Star (Update)
January 7, 2020
Astronomers and visualization specialists from NASA’s Universe of Learning program have combined the visible, infrared and X-ray vision of…
NASA’s NICER Delivers Best-ever Pulsar Measurements, 1st Surface Map
December 13, 2019 
Astrophysicists are redrawing the textbook image of pulsars, the dense, whirling remains of exploded stars, thanks to NASA’s Neutron…
Scientists detect extreme emission from a far away dying star
November 26, 2019
Researchers at DTU Space, in an international collaboration with the Niels Bohr Institute, have for the first time…
NASA’s TESS helps astronomers study red-giant stars, examine a too-close planet
November 20, 2019
NASA’s planet-hunting TESS Mission keeps giving astronomers new realities to examine and explain. Case in point: astronomers using the tools…
Runaway star was ejected from the “heart of darkness”
November 15, 2019
A star traveling at ultrafast speeds after being ejected by the supermassive black hole at the heart of…
A Flash and a Shudder
October 30, 2019
New findings detail a method for investigating the inner workings of stars in a rare phase. In five…
Stars Pollute, but Galaxies Recycle
October 29, 2019
Galaxies were once thought of as lonely islands in the universe: clumps of matter floating through otherwise empty…
Black Hole Seeds Missing in Cosmic Garden
September 25, 2019
In the vast garden of the universe, the heaviest black holes grew from seeds. Nourished by the gas…
Sandia experiments at temperature of sun offer solutions to solar model problems
September 11, 2019
Sandia’s Z machine helps reconcile sun’s energy and composition Experimenting at 4.1 million degrees Fahrenheit, physicists at Sandia…
Sixteen Images for Spitzer’s Sweet 16
August 28, 2019
NASA launched its Spitzer Space Telescope into orbit around the Sun on Aug. 25, 2003. Since then, the…
Anatomy of a Cosmic Seagull
August 7, 2019
Colourful and wispy, this intriguing collection of objects is known as the Seagull Nebula, named for its resemblance…
Ghosts of Ancient Explosions Live on in Stars Today
August 6, 2019
When small, dense stars called white dwarfs explode, they produce bright, short-lived flares called Type Ia supernovae. These…
Star Light, Star Bright
August 5, 2019
Scientists can tell a lot about a star by the light it gives off. The color, for example,…
Scientists Weigh the Balance of Matter in Galaxy Clusters
July 23, 2019
A method of weighing the quantities of matter in galaxy clusters — the largest objects in our universe…
Stellar Wilderness in Southern Skies
May 10, 2019
Watching the tranquil serenity of this picture, it is hard to believe the violent origin of the bright…
The 88 Constellations and Their Brightest Stars (Infographic)
May 6, 2019
In an age without contemporary forms of entertainment, storytelling was a treasured pastime. The night sky and the…
Pinpointing Gaia to Map the Milky Way
May 4, 2019
ESO’s VST helps determine the spacecraft’s orbit to enable the most accurate map ever of more than a…
Hubble Astronomers Assemble Wide View of the Evolving Universe
May 3, 2019
Astronomers have put together the largest and most comprehensive “history book” of galaxies into one single image, using…
Sizing up a starry night
April 24, 2019
Asteroids help scientists measure distant stars Look up at the sky on a clear night, and you’ll see…
Making Good Use of Bad Weather: Finding Metal-poor Stars Through the Clouds
April 19, 2019
The Gemini telescopes helped identify low-metallicity stars by gathering medium-resolution spectroscopic GMOS data for 666 bright stars under…
Black Hole Image Makes History
April 11, 2019
A black hole and its shadow have been captured in an image for the first time, a historic…
‘Space Butterfly’ Is Home to Hundreds of Baby Stars
March 28, 2019
What looks like a red butterfly in space is in reality a nursery for hundreds of baby stars,…
Ultra-sharp Images Make Old Stars Look Absolutely Marvelous!
March 25, 2019
Using high-resolution adaptive optics imaging from the Gemini Observatory, astronomers have uncovered one of the oldest star clusters…
A Cosmic Bat in Flight
March 16, 2019
ESO’s Cosmic Gems Programme captures the Cosmic Bat’s dusty clouds. ESO’s Very Large Telescope (VLT) has caught a glimpse of…
SOFIA Finds Dust Survives Obliteration in Supernova 1987A
February 9, 2019
Dust particles form as dying red giant stars throw off material and become part of interstellar clouds of various sizes,…
Liberal Sprinkling of Salt Discovered around a Young Star
February 8, 2019
New ALMA observations show there is ordinary table salt in a not-so-ordinary location: 1,500 light-years from Earth in…
Bubbles of Brand New Stars
February 7, 2019
This region of the Large Magellanic Cloud (LMC) glows in striking colours in this image captured by the…
Lucky find for Hubble – a new galaxy in the cosmic neighbourhood
February 4, 2019
Astronomers using the NASA/ESA Hubble Space Telescope to study some of the oldest and faintest stars in the…
Astronomers find star material could be building block of life
January 29, 2019 
An organic molecule detected in the material from which a star forms could shed light on how life…
- NASA’s TESS Mission Spots Its 1st Star-shredding Black Hole
September 27, 2019
- Hubble’s Cosmic Holiday Wreath
December 22, 2018 - Newly discovered adolescent star seen undergoing ‘growth spurt’
December 21, 2018 - Outer Solar System Object has Astronomers Seeing Double
December 20, 2018 - Clemson scientists measure all of the starlight ever produced by the observable universe
December 7, 2018 - Kepler telescope captures extraordinary observations of a star’s death throes
December 4, 2018 - Cosmic Serpent
November 20, 2018 - Cold Super-Earth found orbiting second-closest star system to our own
November 15, 2018 - Hubble Spots a Lonely Blue Dwarf
November 14, 2018 - Ultra-hot gas around remnants of Sun-like stars
November 8, 2018 - Tiny Old Star Has Huge Impact
November 6, 2018 - Hubble Reveals a Giant Cosmic ‘Bat Shadow’
November 2, 2018 - The Pirate of the Southern Skies
October 25, 2018 - Nearby Supernova Sheds Light on Ancient Dust
October 18, 2018 - Largest Galaxy Proto-Supercluster Found
October 18, 2018 - Researchers discover new type of stellar collision
October 13, 2018 - VLA Sky Survey Reveals First “Orphan” Gamma Ray Burst
October 5, 2018 - Luminous Blue Variable Star
October 3, 2018 - Gaia spots stars flying between galaxies
October 2, 2018 - NASA Is Taking a New Look at Searching for Life Beyond Earth
September 26, 2018 - A new twist on stellar rotation
September 24, 2018 - When is a star not a star?
September 19, 2018 - A Galactic Gem
September 13, 2018 - Little star sheds light on young planets
September 10, 2018 - Fierce Winds Quench Wildfire-like Starbirth in Far-flung Galaxy
September 7, 2018 - Stars v. Dust in the Carina Nebula
August 30, 2018 - Stellar “swarms” help astronomers understand the evolution of stars
August 29, 2018 - A Piercing Celestial Eye Stares Back at Hubble
August 26, 2018 - 15 Years in Space for NASA’s Spitzer Space Telescope
August 24, 2018 - Hubble Paints Picture of the Evolving Universe
August 17, 2018 - Elliptical Elegance
August 8, 2018 - The Fading Ghost of a Long-Dead Star
August 3, 2018 - Hubble Images Milky Way’s Big Sister
August 1, 2018 - Stellar Corpse Reveals Origin of Radioactive Molecules
July 31, 2018 - Milky Way: The backbone of the night
July 30, 2018 - X-ray data may be first evidence of a star devouring a planet
July 19, 2018 - Colourful Celestial Landscape
July 18, 2018 - Astronomers See Distant Eruption as Black Hole Destroys Star
June 17, 2018 - Chandra Scouts Nearest Star System for Possible Hazards
June 8, 2018 - Detecting distant stars: Q&A with Jose Maria Diego and Jesús Vega
June 1, 2018 - Tarantula Nebula: A Crowded Neighbourhood
May 31, 2018 - Kepler Begins 18th Observing Campaign with a Focus On Star Clusters
May 25, 2018 - Astronomers Release Most Complete Ultraviolet-Light Survey of Nearby Galaxies
May 18, 2018 - A new map for a birthplace of stars
May 18, 2018 - ALMA and VLT Find Evidence for Stars Forming Just 250 Million Years After Big Bang
May 17, 2018 - Ancient Galaxy Megamergers
April 27, 2018 - Stellar Thief Is the Surviving Companion to a Supernova
April 27, 2018 - Stellar Dust Survey Paves Way for Exoplanet Missions
April 26, 2018 - Two Hubble Views of the Same Stellar Nursery
April 20, 2018 - Astrophysics CubeSat Demonstrates Big Potential in a Small Package
April 15, 2018 - SPHERE Reveals Fascinating Zoo of Discs Around Young Stars
April 13, 2018 - Stellar break-up likely behind ‘runaway’ star’s fast pace, researcher says
April 6, 2018 - Dead Star Circled by Light
April 6, 2018 - Hubble Makes the First Precise Distance Measurement to an Ancient Globular Star Cluster
April 5, 2018 - Researchers uncover the farthest star ever seen
April 4, 2018 - Scientists Surprised by Relentless Cosmic Cold Front
April 4, 2018 - Flash-in-the-pan supernovas explained
April 3, 2018 - Hubble Uncovers the Farthest Star Ever Seen
April 3, 2018 - NASA Prepares to Launch Next Mission to Search Sky for New Worlds
March 29, 2018 - Kepler Beyond Planets: Finding Exploding Stars
March 27, 2018 - Hubble Solves Cosmic ‘Whodunit’ with Interstellar Forensics
March 23, 2018 - NASA’s Kepler Spacecraft Nearing the End as Fuel Runs Low
March 15, 2018 - Arrested Development: Hubble Finds Relic Galaxy Close to Home
March 13, 2018 - Hubble’s Galaxy Full of Cosmic Lighthouses
March 12, 2018 - ALMA Reveals Inner Web of Stellar Nursery
March 7, 2018 - Hubble Finds Huge System of Dusty Material Enveloping the Young Star HR 4796A
March 7, 2018 - Astronomers detect ancient signal from first stars in universe
March 2, 2018 - Search for First Stars Uncovers “Dark Matter”
March 2, 2018 - Stars Around the Milky Way: Cosmic Space Invaders or Victims of Galactic Eviction?
February 28, 2018 - Migration of stars
February 27, 2018
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