A detailed theoretical and experimental comparison of dark-field electron holography (DFEH) and high-resolution X-ray diffraction (HRXRD) is performed. Both techniques are being applied to measure elastic strain in an array of transistors and the role of the geometric phase is emphasized.

This Jupiter-sized world reflects less than one percent of the light that falls on it, making it blacker than any planet or moon in our solar system.

The post Darkest known exoplanet, a Jupiter-sized gas giant, discovered appeared first on Smithsonian Insider.

The nature of dark matter is a mystery -- a mystery that a new study has only deepened.

The post Dark matter mystery deepens appeared first on Smithsonian Insider.

The dying star, which lit the galactic scene, is the most distant stellar explosion of its kind ever studied.

The post Dying star illuminates distant galaxy, lifting veil of interstellar darkness for astronomers appeared first on Smithsonian Insider.

Mention coral reefs and images like snorkeling, tropical fish and sunny island getaways pop to mind. Vacation packages are not being offered, however, for many […]

The post Cold, dark and lonely: Deep-water corals thrive where the sun never shines appeared first on Smithsonian Insider.

A new study of gamma-ray light from the center of our galaxy makes the strongest case to date that some of this emission may arise […]

The post Fermi data offer clues to dark matter appeared first on Smithsonian Insider.

Every massive galaxy has a black hole at its center, and the heftier the galaxy, the bigger its black hole. But why are the two […]

The post Dark matter guides growth of supermassive black holes appeared first on Smithsonian Insider.

Even accounts belonging to banks and educational institutions were found on lists plastered across various hacker forums

The post Half a million Zoom accounts for sale on the dark web appeared first on WeLiveSecurity

A hacking group has started to flood a dark web hacking marketplace with databases containing a combined total of 73.2 million user records over 11 different companies. [...]

Dwarf galaxies are enigmas wrapped in riddles. Although they are the smallest galaxies, they represent some of the biggest mysteries about our universe. While many dwarf galaxies surround our own Milky Way, there seem to be far too few of them compared with standard cosmological models, which raises a lot of questions about the nature of dark matter and its role in galaxy formation.

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The video-conferencing app has seen a global usage during the coronavirus lockdowns.

This rich, gluten- and dairy-free tart is sure to please both the vegans and the meat eaters in your life.

Two spacecraft have detected a possible signal of dark matter, the mysterious, invisible stuff that makes up most of the material universe.

Astronomers use infrared "eyes" to shed light on these enigmatic cosmic structures.

An entire ecosystem living without light or oxygen flourishes beneath the ocean floor.

Trying to get rid of those dark circles and bags under your eyes? Look in your kitchen for easy remedies

Unbeknownst to many, Canada now produces more oil than Texas or Kuwait. A new book, <i>Tar Sands: Dirty Oil and the Future of a Continent</i> uncovers the dark

Rolling Stone's Jeff Goodell joins Morning Joe to discuss former Massey Energy CEO Don Blankenship and examining his role in the worst mining disaster in 40 yea

A new study suggests that dark matter from the galactic plane may have been what really killed the dinosaurs — and it may one day threaten us.

Increasingly efficient computers belie the truth that our virtual world is using more and more electricity.

Divine Chocolate's fair trade 70% Dark Chocolate with Raspberries combines rich chocolate decadence with tart fruity flavors.

Whether you go out stargazing or simply relax in the dark at home, spending an hour without power Saturday night might just re-energize your weekend.

Iconic landmarks and skylines all across the globe were plunged into darkness on Saturday for Earth Hour.

Real peppermint oil or ginger oil make Divine’s Fair Trade dinner thins a welcome addition to dessert and coffee.

Sky gazers carve out a spot in rural Georgia where the lights won't bother them.

A small town in Illinois has become the world's third International Dark Sky Community, a place that aims to protect the quality of its dark, star-filled sky by

'The City Dark,' the latest from Brooklyn-based filmmaker Ian Cheney, explores the effect of light pollution on the natural environment and on human health. It

The park is far enough away from light-polluted cities that its views of the night sky offer a glimpse of what could be seen before such cities were erected.

Deadlier than Glenn Close with a kitchen knife, light's 'fatal attraction' kills millions of birds each year.

Turn off the lights. Light pollution impacts energy use, wildlife and health.

If you're hoping to escape the omnipresent skyglow of your town or city, consider taking a trip to one of these protected pockets of dark sky paradise.

A 1,400-square-mile stretch of unspoiled wilderness in central Idaho has been designated as the nation’s first International Dark Sky Reserve.

Introducing Karl Rove 2.0 and his new post-propaganda 'astroturfing' industry that funnels oil money into fake grassroots organizations. His goal? Stop climate

Lexus of Chandler markets the Lexus CT 200h as 'The Darker Side of Green.'

Astronomers think dark matter forms fine-grained but incredibly long streams throughout the universe.

19 newly discovered dwarf galaxies are missing dark matter.

We chat with astrotourism specialist Valerie Stimac, and author of 'Dark Skies,' about the best places to gaze into the beauty of the heavens.

China releases a massive batch of images from its mission to the far side of the moon.

The island nation of Niue may be the best place in the world to soak up a starry night.

Bioluminescent art blends science and creativity to create images that can only be seen in the dark.

Phylliroe is a type of nudibranch, or sea slug, that has evolved to look and swim like a fish. And that's not the only weird thing about it.

Who or what is making the sound remains a mystery, but it may be a 'dinner bell' signaling feeding time for deep sea creatures.

Monster-like creatures live thousands of feet below the surface, and they've adapted to hostile environments by taking on cool — and scary — physical traits.

The International Dark-Sky Association bestows the honor on national parks and monuments that limit light pollution to preserve the night sky.

Our love of avocados and guacamole is leaving Chilean villagers without water.