Believing that a large gun presence deters crime and makes Texas safer, almost forty long gun rights activists, slinging long guns over their shoulders and backs, joined in a walking rally calling for less restrictive open carry gun legislation. Arlington, 2013.

NRA Tells Gun Owners They Went Too Far, For a Change

A letter from the NRA tells "open carry" enthusiasts to tone it down

Here's a Little Perspective On the EPA's New Carbon Rules

A planned reduction in power plant carbon emissions will help with climate change, but it's not a full fix

CEO & Chief Designer Elon Musk unveils the new SpaceX's Dragon V2 spacecraft Thursday evening at SapceX HQ. The Dragon V2 is the next generation spacecraft designed to carry astronauts into space.

SpaceX Will Soon be Able to Send People to Space. (Take That, Russia.)

Private spaceflight company SpaceX unveiled its Dragon V2 capsule yesterday

Charging retorts at the Gas Light Establishment. Brick Lane, London, 1822.

California’s Carbon Emissions Today Are Bigger Than the Entire Country's in 1888

A new analysis looks at how countries' carbon emissions changed since 1850

You Can Now Get High-Speed Internet on the Moon

Last fall NASA and MIT researchers demonstrated a new laser-based long-distance data transmission system

A scanning electron microscope image of a fruit fly.

I Think, Therefore I Am a Fruit Fly

Researchers found that even fruit flies seem deliberate over decisions

Sriracha bottles on the line at Huy Fong Foods' Irwindale factory.

Sriracha Is, Officially, Safe

Irwindale City Council voted to end their public nuisance complaint against the makers of Sriracha hot sauce

Thermogram images of an obese woman.

A Third of All People on Earth Are Overweight Or Obese

Obesity rates are rising across the board

He makes it look so easy.

Humans Gave Up Our Strength to Support Our Big Heads

Evolution may have traded muscle mass for big brains

"Reading Rainbow" Is Trying to Raise $1 Million on Kickstarter to Bring the Show to the Web

The beloved show "Reading Rainbow" is seeking funding to expand to the web

The New York Stock Exchange all gussied up for Twitter's opening day.

Scientists Will Soon Be Trawling Through All of Your Tweets

Twitter is opening up their entire archives to researchers

Armed militiamen from the pro-Russian Vostok Battallion took part in a rally held in Lenin's square, Donetsk, against Ukraine's presidential elections being held across the country.

Dozens Dead After Fighting Erupts in Donetsk, Ukraine

Ukraine's military pushed to clear pro-Russian rebels out of the eastern provinces

Even 2-Year Olds Are Being Prescribed Ritalin

There may be as many as 10,000 American toddlers on stimulant drugs for ADHD

Tiputini River and rainforest, Yasuni National Park, Amazon, Ecuador.

Ecuador Wanted $3.6 Billion to Save a Patch of Rainforest—Now, It's About to Start Drilling

Oil production could begin as early as 2016

Nigerian boys sift through the remains of the Gamboru market after multiple explosions took place Maiduguri, northern Nigeria, on February 7, 2012. Boko Haram claimed responsibility for the attacks.

The UN Security Council Just Officially Labeled Boko Haram Terrorists And Tied the Group to Al Qaeda

Officially deeming the group a terrorist organization gives the UN power to impose sanctions

There are no photos of the never-before-seen meteor shower yet, obviously, so here's a pretty one from the Geminids in 2011.

Friday Night Will Be the First And Last Chance to See an Entirely New Meteor "Storm"

A new meteor shower should take place overnight from May 23 to May 24

The Unpaid Intern Economy Rides on the Backs of Young Women

Female-dominated industries make heavy use of unpaid internships

The Pope Says We Should Probably Get on Stopping Climate Change

The Pope's latest comments are not the first push from the Vatican to address global climate change

Refresh Your El Niño Expertise: the Pacific Ocean Is Gearing Up for a Powerful One

A strong El Niño this year could mean we're in for a real scorcher.

A view looking down Pine Street in the wake of the 1906 Earthquake.

What's Worse Than One, Big Earthquake? A String of Slightly Smaller Ones

Historical earthquake activity shows that California may not just be set for one big earthquake, but a cluster of smaller shakers

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