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Are Fast Radio Bursts from Alien Spacecraft? It’s Unlikely, but Possible
A new paper raises the (distant) possibility that the unusual high-energy bursts from the cosmos are from intergalactic ships
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New Definition Would Make the Moon and Pluto Planets
A suggested update to the International Astronomical Union criteria would add over 100 planets to the solar system
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NASA Wants the Public to Log In to Help Find Planet 9
Citizen scientists can examine photos to help discover a new planet, which recent evidence suggests is hiding at the edge of the solar system
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The 17th-Century Lady Astronomer Who Took Measure of the Stars
Astronomer Maria Cunitz might not be such an anomaly, were other women given the same educational opportunities
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Dark Matter Could Be Destroying Distant Galaxies
The mysterious substance may suck gas from the galaxies—and a gasless galaxy is a dead galaxy
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Catch a Star Exploding in Action in 2022
Just five years from now a pair of stars are predicted to merge, forming a glittery and bright new point in the sky
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Introducing the Global Effort to Map the Night Sky
How astronomers around the world are piecing together a patchwork quilt of celestial activity
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Mysterious Fast Radio Bursts Traced to Dwarf Galaxy in the Auriga Constellation
Knowing where they originate will help researchers understand what creates the mysterious high-energy signals
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Fireworks Not Your Thing? Then Look Out For a Comet on New Year’s Eve
With a telescope in hand, you can watch a comet zoom past the Earth tomorrow night
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Five Things to Know About Boundary-Breaking Astronomer Vera Rubin
Her observations confirmed the theory of dark matter, and her activism helped open science to more women
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Massive Survey Catalogues the Night Sky
Over four years, the Pan-STARRS telescope collected 2 petabytes of photos of the night sky, creating the most complete astronomical atlas yet
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Astronomer and Alchemist Tycho Brahe Died Full of Gold
The shiny element was important to Renaissance scientists. Very important
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John Glenn and the Sexism of the Early Space Program
Fan mail sent to the astronaut reveals the rigidity of gender roles in the 1960s
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In “The Glass Universe,” Dava Sobel Brings the Women ‘Computers’ of Harvard Observatory to Light
Women are at the center of a new book that delights not in isolated genius, but in collaboration and cooperation
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How the Pull of an Icy “Heart” Sent Pluto’s Poles Wandering
Using New Horizons data, scientists determine that the erstwhile planet has a more dynamic past than we thought
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Behold: The World’s Largest Radio Telescope
The Atacama Large Millimeter Array, located in the Atacama Desert, is the product of a 20-year global effort by Europe, North America, and East Asia
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ALMA Reveals Planets Born Earlier Than We Thought
In 2014, astronomer David Wilmer aimed the ALMA Array at a young star 450 light years away
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The Biggest Supermoon in 68 Years Will Leave You “Moonstruck”
It hasn’t been this close since 1948 and won’t be again for the next 18 years
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Most Lithium in the Universe Is Forged in Exploding Stars
The recurring explosions of white dwarf stars produce the vast majority of this important element
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Stunning Images Capture the Carina Nebula’s “Pillars of Destruction”
Caught by ESO’s Very Large Telescope, the ten pillars of gas and dust are a hazy star nursery 7,500 light years away
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