Posts by 

Deborah Byrd

Where did the first dogs come from?

In 2002 researchers said dogs originated in East Asia. But a 2010 study said, no, it was the Middle East. Now the original researchers bark back!

Need cheap renewable energy? Don’t look at me, says Google

Don't expect cheap renewable energy from the Internet giant Google, after all. The company has abandoned its ambitious plans to make renewable energy cheaper than coal.

Sand dunes on planet Mars: Best images

We knew there was wind on Mars. We knew there was sand. Now we know - we can see - that sand dunes on planet Mars are driven by strong winds.

Neil deGrasse Tyson sings a Symphony of Science

There are few astronomical videos that bring a tear to my eye anymore, but this one did. Neil deGrasse Tyson, you are wonderful.

Close-passing asteroid 2005 YU55: More images

Bookmark this page to see the latest images of asteroid 2005 YU55, which passed 200,000 miles (319,000 kilometers) from Earth on November 8, 2011.

Tornado in Oklahoma, and more developing

See these terrifying images of the tornado that touched down in Oklahoma about an hour ago (November 7, 2011 at ~21 UTC, or ~3 p.m. CST).

2005 YU55: See it when it passes Earth on November 8 and 9

When at its closest on November 8 and 9, asteroid 2005 YU55 will look like a steadily moving star. It'll cover a moon's width of sky in under 5 minutes.

2005 YU55 will sweep closely past the Earth

The large asteroid 2005 YU55 will fly within the moon's distance from Earth on November 8, 2011.

Series of earthquakes near Oklahoma City, including a 5.6 magnitude

The epicenter for the November 6, 2011 Oklahoma earthquakes is 44 miles ENE of Oklahoma City. A highway buckled, and several homes are said to be damaged.

NOAA projects 20% chance of X-class solar flares today

A huge sunspot has rotated into view. It has already spawned an X-class solar flare and NOAA is projecting more for November 4, 2011.