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Cassini Swan Song Image of Saturn Left Me Speechless

Planets and robots lack hearts and minds, but they’re especially good at impacting ours. In its last days before ending itself, human-built Cassini turned around and snapped this farewell mosaic image of Saturn. Its title: “Farewell to Saturn.” Read More >>

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The First Known Interstellar Asteroid Looks Incredibly Weird 

Scientists know of 750,000 or so asteroids and comets—and all of them are part of this fine solar system. That is, all of them but one. And as new research shows, it’s weird as hell. Read More >>

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Periodic Table of Exoplanets Neatly Classifies Over 3,700 Known Worlds

Astronomer Abel Méndez‏ from the Planetary Habitability Laboratory at the University of Puerto Rico has put together a Periodic Table of Exoplanets, where each of the 3,700 confirmed exoplanets is slotted into its own discrete category—including planets that could harbor life. Read More >>

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Scientists Discover Nearby Planet That May Have the Best Prospects for Life Yet

When scientists discovered an Earth-like planet orbiting our closest star, Proxima Centauri b, Gizmodo said it could have been the discovery of the century. But today, scientists are announcing a new exoplanet only 11 light years away that could be even more important. Read More >>

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Can Scientists Figure Out Where Colliding Black Holes Come From?

When distant black holes (or neutron stars) collide, there’s a lot scientists can tell from the way they send gravitational waves rippling through space. That includes their masses, their distance, or how their spins line up with one another. But one question they’re still trying to figure out is, well, where are they? Read More >>

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A New Type of Gravitational Wave Could Be Spotted Soon, Claims New Paper

It can’t be stressed enough how crazy gravitational waves are. These supremely violent events take place many light years in the distance, and because they literally alter the shape of space and time, the ripples they produce can be detected on Earth. But gravitational wave astronomy is only in its infancy, and there’s even stranger things yet to be observed. Read More >>

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Remarkable New Supernova Discovery Is Unlike Anything Seen Before

Astronomers have spotted something truly baffling: a new light 500 million light years away that looked exactly like a supernova...but acted like no supernova observed before. Read More >>

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A Computer Randomly Generated These Nebulae That Look More Spectacular Than Hubble Images

Unless we find a way to travel infinitely faster than the speed of light, there’s no way you’ll ever see the farthest reaches of the galaxy in person. But that harsh reality is made somewhat easier to digest thanks to this short film by Teun van der Zalm, featuring fly-bys of computer-generated nebulae that even our most sophisticated space telescopes can’t photograph. Read More >>

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An Elaborate Planetary System May Exist Around Our Nearest Star

New observations show there’s at least one, but possibly three rings, of cold dust around our nearest star, Proxima Centauri. That could indicate the presence of more planets, according to new research. Read More >>

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This Tiny Star Hosts a Planet Nearly the Size of Jupiter

Using an innovative new telescope array, an international team of researchers has discovered a distant gas giant roughly the size of Jupiter around a star half the size of ours. It’s considered the largest planet in proportion to its companion star. Read More >>

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Space Has Never Sounded Scarier Than on NASA’s Halloween Playlist

In space, it has been said, no one can hear you scream. That may very well be the case, but that doesn’t mean space isn’t filled with an abundance of strange sounds in the form of radio bursts, electromagnetic pulses, solar wind, charged particle bursts, and other celestial emissions. We can’t hear these sounds in their raw form, so NASA has converted them into an audible format suitable for our ears—and the results are unsettling. Read More >>

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Watch the Orionid Meteor Shower Peak This Weekend

The Earth is once again passing through the debris left behind by Halley’s Comet, producing the Orionid meteors that peak this weekend. Go outside! Look at space! Read More >>

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Let’s Break Down What That Monumental Neutron Star Collision Actually Told Us

Astronomy has entered a new era, one where light and gravity both play a role in understanding the Universe’s craziest phenomena. On August 17, 2017, over 70 observatories around (and above) the world, including ones like LIGO and the Hubble Space Telescope, all spotted a flash of energy. This light came in many different flavors, and was consistent with a pair of dense neutron stars colliding in a cataclysmic “kilonova” explosion. Read More >>

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Colliding Neutron Star Discovery Could Solve This Mystery About Our Expanding Universe

Today, physicists across the world celebrated as telescopes and observatories on Earth and in space captured a “kilonova.” Two neutron stars collided 130 million light years away, sending gravitational waves, x-rays, gamma-rays, radio waves, and light waves to the Earth. But these events also serve as a new kind of tool—a tool with the potential to answer one of the most fundamental questions in our universe: How quickly is it expanding? Read More >>

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Observatories Across the World Announce Groundbreaking New Gravitational Wave Discovery

Vicky Kalogera, a Northwestern University physicist, took her week of much-needed vacation in Utah this past August. She promised her family she’d stay off of email for a week. It wasn’t a real promise, of course, but she was going to try. She’d arranged the perfect day for August 17. Her husband was going to take the kids hiking in Arches National Park while she’d spend the whole day at the spa. Right as she left her room, she just had to give her email a peep. The deluge brought the news: Telescopes and detectors across the world were making a monumental observation. Read More >>