Astronomers

Artist's rendering of COSMOS-AzTEC-1.

Monster Galaxy Churns Out 1,000 Times As Many Stars As Our Own

COSMOS-AzTEC-1 is almost 13 billion years old highly organized but unstable and could shed light on galaxy evolution

Why Astronomers Want to Look for Earth's Mini-Moons

A new, powerful telescope in Chile will be able to detect tiny asteroid chunks circling our planet, which could be a goldmine for researchers

Andromeda

The Andromeda Galaxy Ate The Milky Way's Lost Sibling

New simulations show Andromeda absorbed the large galaxy M32p about 2 billion years ago

Jupiter Officially Has 12 New Moons

The new satellites are mostly tiny and include one oddball that is on a collision course with some of the 78 other moons orbiting the planet

Berry started his career colorizing actual telescope data. His more recent work includes this artistic impression of a black hole at the heart of galaxy NGC 1068. The material trapped around the black hole is moving so fast that the light itself is either compressed to blue where the material is coming toward the viewer, or stretched to red, where it is rushing away from the viewer.

The Supernova That Launched a Thousand Gorgeous Space Images

By colorizing one of the first Hubble satellite images, illustrator Dana Berry ushered in a new era of stunning space visuals

Scientists Explain The Thrill of Detecting a Neutrino From a Far-Off Galaxy

For the first time, the IceCube observatory has triumphantly tracked a neutrino back to a massive blazar

Now That the Smog Has Lifted, Astronomy Returns to London's Royal Observatory

A new telescope that filters out light pollution and interference will watch the stars from the site constructed in 1675

The oxygen distribution from MACS1149-JD1 appears green in this ALMA image.

Astronomers Find Signature From the Universe's Earliest Known Stars

The first lights may have winked to life just 250 million years after the Big Bang

An artist’s illustration of a black hole “eating” a star.

Big Data is Transforming How Astronomers Make Discoveries

The next game-changer is likely lurking in the data we already have—but it will take scientists years to uncover it

Perhaps our sun will produce something as beautiful as the Cat's Eye Nebula.

The Sun Will Produce a Beautiful Planetary Nebula When It Dies

A new model of stellar death shows our low-mass star has enough juice to produce a beautiful ring of gas and dust before winking out

Gaia's all-sky view of our Milky Way Galaxy and neighboring galaxies, based on measurements of nearly 1.7 billion stars.

New Star Map Could Change Everything We Know About the Milky Way

The map includes 1.7 billion stars and is already revealing new details about star evolution and the formation of our galaxy

Five Things to Know About NASA's New Planet-Hunting Satellite

TESS will scan the skies in search of the next crop of exoplanets

The Center of the Milky Way May Be Chock-Full of Black Holes

Researchers spotted about a dozen black holes lurking at our galactic center—and there may be up to 10,000 more

Icarus, the most distant star ever detected

Meet Icarus, The Most Distant Star Yet Detected

The blue supergiant lies 9 billion light-years away

Diffuse galaxy NGC1052-DF2

Scientists Thought All Galaxies Had Dark Matter, but They Just Found One Without It

The find defies the assumption that the mysterious matter is necessary for galaxy formation

70,000 Years Ago, a Passing Star Shook Up Our Solar System

The red dwarf likely came within one light-year of the sun, altering the course of some asteroids and comets

How It All Began: A Colleague Reflects On the Remarkable Life of Stephen Hawking

The physicist probed the mysteries of black holes, expanded our understanding of the universe and captured the world's imagination, says Martin Rees

Saturn's hazy moon Titan

Purple Haze: Alien Atmospheres Recreated In the Lab

By combining various gases with plasma, researchers are learning about the haze around distant planets

Artists interpretation of the earliest stars

Astronomers May Have Just Detected the Universe's First Stars

A long-sought radio signal indicates the first stars began burning 180 million years after the initial Big Bang

Researchers estimate more than a trillion planets could exist in the elliptical galaxy at the center of this image.

Astronomers Spot Signs of Planets Outside the Milky Way

Researchers estimate that more than a trillion planets may lurk beyond our galaxy's bounds

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