New Year’s Eve fireball seen in Arizona, Colorado, New Mexico

Scientists believe the fireball seen New Year's Eve 2011 came from the asteroid belt. It disintegrated 82 km (51 miles) above Earth's surface.

Deborah Byrd and EarthSky receive major award for science advocacy

The CCAS Arts & Sciences Advocacy Award honors an individual or organization demonstrating exemplary advocacy for the arts and sciences,

Powerful 6.8 magnitude earthquake shakes Japan

Buildings swayed in Tokyo on this New Year's Day 2012 as a 6.8-magnitude earthquake struck in the ocean near Japan.

Kieran Mulvaney on why polar bears are cool

Journalist Kieran Mulvaney became fascinated with polar bears a decade ago when he was in Alaska on assignment. His new book is called "The Great White Bear."

New medicines from the sea

Scientists are finding new medicines via research on sponges and corals. They could make some antibiotic resistant bacteria respond once more to antibiotics.

Top five natural disasters of 2011

2011 had remarkably many natural disasters. Here are EarthSky weather blogger Matt Daniel's descriptions of his picks for the top five.

Smart grid may be designed with GIS

Geographic information systems may play a role in building and implementing the U.S. electrical service smart grid, and other smart grids worldwide.

Cyclone Thane hits India

Cyclone Thane hit southeastern India on December 30, 2011, killing at least 19 people and creating vast amounts of damage. Read more here.

Samoa’s calendar drops Friday, December 30, 2011

Because Samoa moved across the International Date Line, Samoa's calendar goes straight from Thursday, December 29 to Saturday, December 31, 2011.

Mosquitoes like some people more. Why?

The types and number of bacteria on people's skin can make them more attractive to mosquitoes. This could be important to malaria control.