Nick

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Neil deGrasse Tyson reveals the biggest misconceptions people have about the universe

Neil deGrasse Tyson explains some of the biggest misconceptions we have about the universe.<p><i>Darren Weaver contributed to an earlier version of this video.</i><p><b>Follow Tech Insider:</b>On Facebook<p><i>StarTalk Radio is a podcast and radio program hosted by astrophysicist Neil deGrasse Tyson, where comic co-hosts,</i> …

Universe

The scariest part of an asteroid hitting Earth probably isn’t what you think

If you have a lingering fear of an unseen space rock slamming into our planet and wreaking havoc on an unimaginable scale, your nightmare scenario …

Scientists Built an 'Artificial Brain' to Spot Hyper-Speeding Stars

One of these gas balls is moving at 300 miles per second.<p>Scientists discovered six stars speeding through the Milky Way at an exceptional pace, with …

Universe

Minuscule Measurements Over 12 Years Confirm The Existence Of Orbiting Black Holes

In a ground-breaking study over ten years in the making, scientists have observed two supermassive black holes orbiting each other hundreds of millions of light years from Earth.<p>“For a long time, we’ve been looking into space to try and find a pair of these supermassive black holes orbiting as a …

Black Holes

The Eerie Alignment of Ancient Giant Galaxies

New research using Hubble shows these massive, bright objects aligned with their surroundings as far back as 10 billion years ago.<p>The Hubble Space Telescope is the closest thing humanity has to a time machine. It captures light that left galaxies billions of years ago, photographing the cosmos as …

Universe

This New Explanation For Dark Matter Could Be The Best One Yet

Has it been shifting forms this whole time?<p>It makes up about 85 percent of the total mass of the Universe, and yet, physicists still have no idea …

This Dark Matter Theory Could Solve a Celestial Conundrum

For years, dark matter has been behaving badly. The term was first invoked nearly 80 years ago by the astronomer Fritz Zwicky, who realized that some …

In a World-First, Scientists Have Achieved 'Liquid Light' at Room Temperature

A Frankenstein mash-up of light and matter.<p>For the first time, physicists have achieved 'liquid light' at room temperature, making this strange form …

Quantum Mechanics

Quantum entanglement, science’s ‘spookiest’ phenomenon, achieved in space

Imagine you are a photon, a packet of light. You are a tiny blip of energy, hurtling through the universe on your own. But you have a twin, another photon to whom you have been intimately connected since the day you were born. No matter what distance separates you, be it the width of a lab bench or …

Quantum Mechanics

The Future Of Astronomy: Thousands Of Radio Telescopes That Can See Beyond The Stars

How can you see neutral atoms? After all, unless you’re dealing in either reflected light or with atoms that are themselves in an excited state, neutral atoms are some of the most optically boring materials that there are. Atoms are made of negatively charged electrons surrounding a positively …

Universe

Astronomers just achieved something Einstein said was impossible

Albert Einstein himself believed it couldn't be done.<p>A few decades after he published his theory of general relativity, a colleague asked the famous physicist whether the concept could be used to calculate the weight of a star. Theoretically, yes, was his reply. If one star passed in front of …

Physics

Hubble Hits Jackpot: Images Capture Ultrabright Galaxies via Cosmic Magnification

A glittering jackpot of ultrabright galaxies bursting with star formation has been revealed in a series of stunning images taken by the Hubble Space …

Universe

Scientists Assert That Earth May Exist in a Massive Cosmic Void

Riddled With Holes<p>If you picture what the universe looks like, you can imagine it as Swiss cheese. The sizes of holes, or voids, in the matter of the …

Universe

What Will The Death Of The Milky Way Look Like?

On Earth, we’ve got another billion years or two before the oceans boil and the planet becomes uninhabitable. The Sun will heat up, swell into a red giant, fuse helium in its core, then blow off its outer layers and contract into a white dwarf. But new stars will pop up, too, and shine, and keep …

Universe

Surprise! The Universe Has A Third Way To Form Black Holes

When a massive enough star runs out of fuel in its core and collapses, the resulting Type II supernova will produce a black hole.<p>Supernovae that aren’t quite massive enough will produce neutron stars instead, which themselves will make black holes if they either accrete more matter or collide with …

Universe

Scientists Watch Star Become Black Hole, But They Were Expecting Supernova

Scientists expected to see an enormous star explode in a supernova but they may have watched it collapse into a black hole instead.<p>NASA’s Goddard …

4 Black Hole Images From NASA: Portraits Of The Universe’s Best Killer

Black holes are one of the universe’s greatest mysteries. We can’t peer inside these objects, because they have such tremendous amounts of matter …

When Will The First Star Go Dark?

Ever since the first star in the Universe ignited some 13.7 billion years ago, the Universe has been flooded with light. When enough matter — mostly hydrogen and helium gas — gravitates together into a single, compact object, nuclear fusion will take place inside the core, giving rise to a true …

Black Holes

What's The Largest Galaxy In The Universe?

Our Milky Way contains some 400 billion stars, spanning 100,000 light years in diameter.<p>Yet compared to other galaxies, it’s not even especially large.<p>In our own local group, the Andromeda galaxy is significantly larger, reaching 220,000 light years across.<p>Interacting spiral galaxies can have their …

Universe

Spring Meteor Shower and 6 More Sky Events in May

Shooting stars and alien eclipses are among the best sky shows coming up this month.<p>Dazzling shooting stars kick off a month of great sky-watching opportunities, as the moon points the way toward some of the brightest worlds in our solar system. Backyard telescope users will also get a bonus view …

World's Largest Astronomical Image

After many years of serious stargazing, Melbourne, Australia based photographer Colin Robson has set his sights high on photographing the world’s …

Nikon D700

Milky Way over Maine lighthouse

The Milky Way over the Atlantic at the Pemaquid Point lighthouse in Bristol, Maine.<p>John Quincy Adams commissioned the Pemaquid Point lighthouse in …

John Quincy Adams