Rising full moon silhouettes

The most beautiful video you'll see today. Real time video of silhouettes in front of the rising moon.

5.3-magnitude earthquake off coast of Oregon on January 29

Quake occurred 170 miles (274 kilometers) off Oregon coast. No tsunami warning. No reports of damages or injuries.

Video: A bird ballet

Watch this beautiful video of thousands of birds swooping and diving in unison - dancing in the sky.

Spring may come earlier to North American forests

Trees in the con­ti­nen­tal U.S. could send out new spring leaves up to 17 days ear­lier in the com­ing cen­tury than they did before global temperatures started to rise.

Ridges on Mars suggest ancient flowing water

Ridges in impact craters on Mars appear to be fossils of cracks in the Martian surface, formed by minerals deposited by flowing water.

Unusual January warmth triggers severe storms in US South

Severe weather is likely to develop across the southeast United States Tuesday and Wednesday. The main threat will be damaging straight line winds and tornadoes.

When can you see a daytime moon?

I saw the moon in a blue sky. Why? How can this happen? I thought the moon was visible only at night!

Video: Lunar halo seen over Israel on January 27, 2013

Time-sequence video showing a lunar halo form. The moon with its halo appears to drift as Earth turns beneath the sky. From our friends at Bareket Observatory.

Video: Record-setting asteroid flyby in February, 2013

2012 DA14 is about half the size of an American football field. It'll fly closer to Earth than some artificial satellites on February 15, 2013.

Cities affect temperatures 1,000 miles away

We're not talking about the "urban heat island effect." This study focused on how "waste heat" from cities affects global weather patterns.