Watch Wind And Dust Obscure The Violent Traces Of Curiosity's Landing

What Creatures Can You Identify In This Fossilized Sea Floor?

A fossilized piece of the sea floor is a glimpse into an ecosystem long-gone, if only you know how to look at it. Read on to learn about the long-dead bryozoans, crinoids, brachiopods, gastropods, and even trilobites in this rock. » 3/29/15 11:24am Yesterday 11:24am

This Trippy Music Video Is An At-Home Fluid Dynamics Experiment

What happens when your production budget consists of water, soap, food colouring, and maybe a bit of magnetic goo? If you're the filmmaker responsible for this music video, the result is a beautiful demonstration of fluid dynamics, fingering flows, drips, and bubbles. » 3/28/15 12:45pm Saturday 12:45pm

This Expedition Helped Decide The Location Of The Panama Canal

In 1871, the USS Nipsic went to Limon Bay to scout out an appropriate location for the north end of the then-soon-to-be-constructed Panama Canal. » 3/26/15 8:00am Thursday 8:00am

The Emergency Escape Rockets For The Crew Dragon Are Surprisingly Quiet

A pair of SuperDraco engines firing at the same time is far quieter than I thought it would be. The dual firing is part of SpaceX pad abort testing for the rocket engines, ensuring both engines can simultaneously ignite and throttle if they need to carry the Crew Dragon to safety. » 3/25/15 11:30am Wednesday 11:30am

Drumlins Are The Easy-To-Identify, Hard-To-Understand Glacial Landform

Drumlins are a ubiquitous landform in lands once overrun by glaciers, and yet after two centuries of studying them, we still aren't certain how these teardrop-shaped hills form. » 3/22/15 12:00pm 3/22/15 12:00pm

How To Survive An Avalanche From This Dramatic Video Of A Buried Skier

Being buried alive in a snow avalanche is a terrifying end to a lovely day of enjoying the slopes. When an avalanche hit a group of skiers in the Alps, the disaster was caught on video. After watching it, you'll either never want to go back-country again or be motivated to finally take that avalanche safety course. » 3/19/15 11:00pm 3/19/15 11:00pm

50 Years Ago, The First Spacewalk Nearly Ended In Tragedy

On March 18, 1965, Alexey Leonov stepped outside the thin metal shell of Voskhod-2 to float in the harsh void of space. For 12 minutes and 9 seconds, Leonov opened the doors on an entire new branch of exploration as the first spacewalker. It was nearly a disaster. » 3/18/15 8:20pm 3/18/15 8:20pm

When A Meteorite Hits Snow It Forms A "Snow Carrot" Instead Of A Crater

What happens when a meteorite hits snow? Instead of forming classic impact craters, the fragments form strange funnels of dense snow diving into the surface instead. Here's the physics of how "snow carrots" form. » 3/18/15 4:00pm 3/18/15 4:00pm

Erosion Exposes Curving Sedimentary Beds In The Land Of Terror

The harsh terrain of the Tanezrouft Basin earns it an ominous nickname: Land of Terror. A rough wilderness of stone and shifting dunes constantly blasted by relentless wind, this is a land of rugged beauty and geology laid bare. » 3/15/15 10:30pm 3/15/15 10:30pm

How Will You Celebrate The Pi Day Of The Century?

Happy Pi Day! How are you celebrating the transcendental, irrational mathematical constant central derived from circles on 3/14/15 at 9:26:53? For me, it's going to be giggling over physicists engaging in an epic chalk battle, and devouring an apple-ginger pie. » 3/14/15 9:26am 3/14/15 9:26am

New Satellites Will Track The Explosive Secret Of Magnetic Reconnection

A quartet of satellites launched tonight, the Magnetospheric Multiscale observatories. The four identical satellites will observe and measure magnetic reconnection, the explosive moment when mismatched magnetic fields connect, realign, and reconnect in a new configuration. » 3/13/15 12:50am 3/13/15 12:50am

Golden Sunshine Over Fog Gave Astronauts A Beautiful Homecoming

Expedition 42 to the International Space Station is officially over with the safe landing of Barry "Butch" Wilmore, Alexander Samokutyaev and Elena Serova in Kazakhstan. The decent featured a brief surge of drama when communications flickered out. » 3/12/15 9:00am 3/12/15 9:00am

Japanese Tsunami Is A Reminder To Prepare In the Pacific Northwest

In 2011, a massive earthquake hit Tōhoku, triggering a tsunami that devastated coastal Japan and surged across the ocean. The triple-plate tectonic junction that spawned the disaster has a mirror image across the Pacific Ocean, a nasty intersection of looming catastrophe in the Pacific Northwest. » 3/11/15 10:46pm 3/11/15 10:46pm

Marvel At The Variety Of Sea Ice Along The Northwest Passage

Not all ice is created equal: this view of the Amundsen Gulf has open ocean, older thick ice, young thin ice, fresh snow and even broken brash ice adrift at sea. » 3/10/15 7:00pm 3/10/15 7:00pm

Find Inspiration From These Women Working With Science In Public

One of the things that brings me joy in life is finding enthusiastic, friendly people working on interesting and unusual projects. Here's my short list of fantastic women who inspire me by doing cool things with science and sharing it all with us on Twitter. » 3/08/15 3:40pm 3/08/15 3:40pm

These 17 Women Changed The Face Of Physics

From discovering pulsars to correcting the optics of the fuzzy Hubble Space Telescope, here are 17 stories of women who made undeniably vital contributions to astronomy and physics. » 3/08/15 9:00am 3/08/15 9:00am

This Is What Happens When You Load Uranium In A Cloud Chamber

What do you do once you've built a cloud chamber using party supplies? If you're Cloudylabs, you load it up with a chunk of uranium and watch the physics happen. » 3/07/15 10:29pm 3/07/15 10:29pm