Astronomy TOP STORY

Brightening of a Supernova's Light

© CalTech

iPTF16geu supernova

An international team of astronomers has, for the first time, seen a cosmic magnification of the light from a class of supernova called Type Ia.


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Astronomy TOP STORIES

Hubble Image of NGC 4302 and NGC 4298

© STSCI

NGC 4302 and NGC 4298

This stunning cosmic pairing of the two very different looking spiral galaxies NGC 4302 and NGC 4298 was imaged by the NASA/ESA Hubble Space Telescope.

Light From a Supernova Bent by the Curvature of Space-time Around a Galaxy

Light From a Supernova Bent by the Curvature of Space-time Around a Galaxy

An international research team led by Ariel Goobar at Stockholm University has detected for the first time multiple images from a gravitationally lensed Type Ia supernova.


Hubble Observes First Multiple Images of Explosive Distance Indicator

Hubble Observes First Multiple Images of Explosive Distance Indicator

A Swedish-led team of astronomers used the NASA/ESA Hubble Space Telescope to analyse the multiple images of a gravitationally lensed type Ia supernova for the first time.


The Arrhythmic Beating of a Black Hole Heart

The Arrhythmic Beating of a Black Hole Heart

At the center of the Centaurus galaxy cluster, there is a large elliptical galaxy called NGC 4696. Deeper still, there is a supermassive black hole buried within the core of this galaxy.


Missing Mass in the Hydrogen Halo that Surrounds Our Galaxy

Missing Mass in the Hydrogen Halo that Surrounds Our Galaxy

Sometimes it takes a lot of trees to see the forest. In the case of the latest discovery made by astronomers at the University of Arizona, exactly 732,225.


New Insight Into Dark Matter Halos

New Insight Into Dark Matter Halos

In the 1970s, scientists noticed something strange about the motion of galaxies. All the matter at the edge of spiral galaxies was rotating just as fast as material in the inner part of the galaxy.


Hubble Sees Starbursts in Virgo

Hubble Sees Starbursts in Virgo

Although galaxy formation and evolution are still far from being fully understood, the conditions we see within certain galaxies -- such as so-called starburst galaxies -- can tell us a lot about how they have evolved over time.


First Image of a Dark Matter Web That Connects Galaxies

First Image of a Dark Matter Web That Connects Galaxies

Researchers at the University of Waterloo have been able to capture the first composite image of a dark matter bridge that connects galaxies together.


Seeing Black Holes and Beyond

Seeing Black Holes and Beyond

A powerful new array of radio telescopes is being deployed for the first time this week, as the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile joins a global network of antennas poised to make some of the highest resolution images that astronomers have ever obtained.


Hubble Views Leda and NGC 4424

Hubble Views Leda and NGC 4424

Some astronomical objects have endearing or quirky nicknames, inspired by mythology or their own appearance.


Wispy Remains of A Supernova Explosion

Wispy Remains of A Supernova Explosion

Of all the varieties of exploding stars, the ones called Type Ia are perhaps the most intriguing.


Stars Born In Winds From Supermassive Black Holes

Stars Born In Winds From Supermassive Black Holes

Observations using ESO's Very Large Telescope have revealed stars forming within powerful outflows of material blasted out from supermassive black holes at the cores of galaxies.


Andromeda's Bright X-Ray Mystery Solved by NuSTAR

Andromeda's Bright X-Ray Mystery Solved by NuSTAR

The Milky Way's closest neighbor, Andromeda, features a dominant source of high-energy X-ray emission, but its identity was mysterious until now.


Gravitational Wave Kicks Monster Black Hole Out of Galactic Core

Gravitational Wave Kicks Monster Black Hole Out of Galactic Core

Astronomers have uncovered a supermassive black hole that has been propelled out of the center of a distant galaxy by what could be the awesome power of gravitational waves.


New Study Maps Space Dust in 3-D

New Study Maps Space Dust in 3-D Video in Story

Berkeley Lab-led research raises new questions about properties of dust in local and distant reaches of Milky Way


Swift Maps a Star's 'Death Spiral' into a Black Hole

Swift Maps a Star's 'Death Spiral' into a Black Hole Video in Story

Some 290 million years ago, a star much like the sun wandered too close to the central black hole of its galaxy.


Protostar Reshapes Its Stellar Nursery

Protostar Reshapes Its Stellar Nursery

A massive protostar, deeply nestled in its dust-filled stellar nursery, recently roared to life, shining nearly 100 times brighter than before.



More top stories from April.