NASA’s way cool retro posters for futuristic space travel

Making future travel plans .. with an emphasis on 'future?' Check out these exoplanet travel posters from NASA.

Dogs arrived in Americas only 10,000 years ago, says study

By associating with early humans, dogs enjoyed new foods and the relative safety of human camps. Eventually, dogs traveled the world with their two-legged masters.

Awesome new project Sounds of the Night

Project Nightflight in Austria has a new web platform, presenting not just astrophotos, but also the sounds they heard while capturing them. It's wonderful.

Video: Human population by the billions

When did our human population reach one billion? How long to add each billion after that, to bring us to the 7+ billion humans on Earth today? What's next?

Planetary alignment January 4 will make us weigh less? Of course not

The idea we will all weigh less and even experience a floating sensation due to a planetary alignment on January 4, 2015 (#zeroday) is entirely false. Sigh.

Amazing 44-second meteor might be space debris reentry

Video of an impressive and slow meteor seen over Puerto Rico on December 28. It might be a Falcon 9 rocket body falling from orbit.

Video: Does being cold make you sick?

Being cold can't give you a cold ... or can it?

Flooding tipping points earlier than expected for U.S. coasts

By 2050, most of the U.S. coast is likely to see 30 or more days of flooding a year due to dramatically accelerating impacts from sea level rise, says a new study.

ISS astronauts send Christmas greetings to the world

Expedition 42 Commander Barry Wilmore and Flight Engineer Terry Virts send greetings and talk a little about their own Christmas Day in space.

Video: 100 trillion microorganisms that live on and in you

There's a unique collage of more than 100 trillion microorganisms living on and in you that are essential to your life and part of what makes you, well, you. It's your microbiome.