John Stebbins

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Hubble's Latest Batch of Space Porn Is Some of the Best We've Ever Seen

Space is mind-bogglingly vast, and it’s practically impossible for our puny brains to comprehend just how huge it really is. Using the Hubble Space …

Universe

Spacecraft May Have Flown Right Through a Plume of Water on Jupiter's Moon Europa

Sometimes, scientists have the answers all along—they just don’t think to ask the question. For example, it appears that in 1997, the Galileo orbiter …

Astronomy

What Is Spacetime?

INNOVATIONS IN<p>Physicists believe that at the tiniest scales, space emerges from quanta. What might these building blocks look like?<p>George …

Quantum Mechanics

Three Decades Later, Mystery Numbers Explained

Zeta values seem to connect distant geometric worlds. In a new proof, mathematicians finally explain why.<p>Almost thirty years ago, a group of …

Mathematics

NASA nuclear reactor could enable ‘unprecedented exploration’ of space

A NASA nuclear reactor known as Kilopower could result in longer, farther, and faster space travel for astronauts after successfully passing “a …

Fission

Feynman at 100

Richard P. Feynman, born in Queens on May 11, 1918, was the most extraordinary physicist since Einstein. He was also, briefly and late in life, the …

Quantum Mechanics

Endless Energy and Black Hole Bombs

A spinning black hole could provide enough energy to power civilization for trillions of years — and create the biggest bomb known to the universe. …

Black Holes

Image - Hubble Ultra Deep Field Infrared View of Galaxies Billions of Light-Years Away

About this image<p>This infrared view reveals galaxies far, far away that existed long, long ago. Taken by the Near Infrared Camera and Multi-object …

Universe

Why Mars Turned Into A Planetary Runt

Mars has long tantalized humanity as a potential astrobiological haven, but its fate as a planetary runt and a long-shot for life as we know it may have been sealed from its earliest formation. At least, that’s the implication of a new paper appearing in the journal <i>Icarus</i>.<p>“Mars is believed to be …

Astronomy

Here's How We Know the Big Bang Happened

At 13.8 billion years ago, our entire observable universe was the size of a peach and had a temperature of over a trillion degrees.<p>That's a pretty …

Universe

The First Black Hole Close-Up

Astrophysicist Jean-Pierre Luminet didn’t have a supercomputer when he showed the world what a black hole looks like. He just had an IBM 7040 and a …

Hubble delivers dazzling Lagoon Nebula for 28th anniversary

NASA and the European Space Agency celebrate the Hubble Space Telescope with a look at the dreamlike Lagoon Nebula.<p>The Hubble Space Telescope knows how to celebrate its anniversary in style. Each year, the telescope team releases a new, mind-blowing image of something gorgeous. The Lagoon Nebula is …

Nebulas

Spotted: A New Small Clue for the Very Big, Very Old Puzzle About Our Sun

<i>Sarah Iqbal is a senior research fellow at the department of biochemistry, Aligarh Muslim University, India.</i><p>The Sun’s atmosphere is hotter than its …

Magnetism

These seafaring robots will search for life across the solar system

Submarines and rovers will go for a dive on the moons of Jupiter and Saturn<p>We recognize Earth as the blue planet, but it’s not the only ocean world in our neighborhood. Oceans may be concealed beneath thick crusts of ice on moons orbiting Jupiter, Saturn, and Neptune, and on the dwarf planets Pluto …

Astronomy

Google's AI Has Learned to Become "Highly Aggressive" in Stressful Situations

Well, that's just great.<p>We've all seen the <i>Terminator</i> movies, and the apocalyptic nightmare that the self-aware AI system, Skynet, wrought upon …

16 parts of China are now using Skynet, the facial recognition tech that can scan the country's entire population in a second

• <b>Sixteen areas in China are using facial-recognition technology that can reportedly scan the country’s population in one second, and the world’s</b> …

A New AI Breakthrough Will Soon Make It Much Easier to Communicate With Anyone in the World

Machines are getting much better at the jobs we humans normally do.<p>As any translator will tell you, transforming the words from one language into another is a task that draws on an enormous reservoir of training, experience, and art.<p>It's something I've learned first-hand, too, as I occasionally …

We may finally understand the speed of gravity

Advent of Astronomy<p>The ability to detect gravitational waves is rapidly propelling us into a new era of both astronomy and physics. New instruments …

NASA: Evidence of 'Planet Nine' is mounting - and it's affecting other parts of the solar system

The likelihood of a ninth planet exiasting on the edge of our solar system seems increasingly certain, according to NASA.<p>The space agency says the …

Why astrophysicists observing are merging neutron stars

The phenomenon may confirm a long standing theory<p>When LIGO, the Laser Interferometer Gravitational-Wave Observatory, first detected gravitational waves from merging black holes, it opened up a new window in astrophysics and provided the most powerful confirmation yet of Einstein’s theory of general …

The Hubble Space Telescope Is Falling

Since 1990, the Hubble Space Telescope has been redefining how we view our Universe. From hundreds of miles above the surface of the Earth, it orbits the entire world every 97 minutes. Multiple servicing missions, including the final one in 2009, have corrected its optics, enhanced its cameras, …

Universe

Stunning AI Breakthrough Takes Us One Step Closer to the Singularity

Remember AlphaGo, the first artificial intelligence to defeat a grandmaster at Go? Well, the program just got a major upgrade, and it can now teach …

NASA's new ion thruster breaks records, could take humans to Mars

Ionic Propulsion from NASA<p>NASA’s new X3 thruster, which is being developed by researchers at the University of Michigan in collaboration with the …

Astronomers find half of the missing matter in the universe

Scientists produce indirect evidence of gaseous filaments and sheets known as Whims linking clusters of galaxies in the cosmic web<p>It is one of cosmology’s more perplexing problems: that up to 90% of the ordinary matter in the universe appears to have gone missing.<p>Now astronomers have detected about …

Dark Matter

The Multiverse Is Inevitable, And We're Living In It

Imagine that the Universe we observe, from end-to-end, is just a drop in the cosmic ocean. That beyond what we can see, there’s more space, more stars, more galaxies, and more everything, for perhaps countless billions of light years farther than we’ll ever be able to access. And that as large as …

Dark Matter

Understanding Your Camera's Internal Light Meter and Metering Modes

Understanding the internal light meter of my camera is one of the best skills I've ever learned. It helps me to shoot in fully manual mode, so that I …

Cameras

This is the Kit This Pro Uses for Travel Photography And Why He Chose It

The dilemma for the travelling photographer is a tough one. What to take, what not to take. Can this lens cover all these situations? Will I need …

These breathtaking images of Saturn were taken by Cassini as it crashed into the planet

These are the closest-ever images of Saturn.<p>They were taken by NASA's Cassini spacecraft just days before it crashed into Saturn. The results are spectacular. Shortly after Cassini took its final image, it flew into Saturn's atmosphere where it burned up and disintegrated.<p>Cassini is now a part of …

An Oral History of the First U.S. Ascent of Annapurna (Oh Yeah, and It Happened to Be the First Female Ascent, Too)

On October 15, 1978, Vera Komarkova, Irene Miller, Chewang Rinjing Sherpa, and Mingma Tshering Sherpa stood in a dazzle of afternoon light on the summit of 8,091-meter Annapurna. Around them, only the tallest snowy peaks of the Nepalese Himalayas crested the blue haze. There was a chill in the air, …

Mountaineering

Timelapse: 30 Days of a Cargo Ship in 10 Minutes and 80,000 Photos

Here’s a beautiful 4K time-lapse video by JeffHK that condenses 30 days of a cargo ship’s journey across oceans into 10 minutes containing 80,000 …