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Posts by Deanna Conners

Earth and moon via NASA
Blogs | Feb 23, 2015

When is the next leap year?

No leap year in 2015. The next leap day will be February 29, 2016. The reason for leap years explained here.

Image credit: NASA
Blogs | Feb 21, 2015

High risk for future U.S. megadroughts

The U.S. Southwest and Central Plains are at high risk for a megadrought later this century if greenhouse gas concentrations continue to rise, says a new study.

Blogs | Feb 12, 2015

The 2015 Great Backyard Bird Count starts February 13

This year’s Great Backyard Bird Count runs from February 13 to February 16. It’s free and easy to participate. Find out how here.

FAQs | Feb 02, 2015

What do you know about the Yellowstone supervolcano?

Beneath Yellowstone National Park lies a volcanic hotspot. The most recent enormous eruption occurred 640,000 years ago. What’s going on now?

FAQs | Jan 26, 2015

How do snowflakes get their shape?

Depending on the temperature and humidity of the air where the snowflakes form, the resulting ice crystals will grow into a myriad of different shapes.

Blogs | FAQs | Jan 18, 2015

What are cloud streets?

Cloud streets are long rows of cumulus clouds that are oriented parallel to the direction of the wind. Check out these cool images!

Blogs | Jan 17, 2015

Arctic continues to warm at twice global rate

NOAA’s 2014 Arctic Report Card shows that amplified warming in the Arctic is leading to changes across the land and sea.

Blogs | Dec 29, 2014

Top 10 new species of 2014

Thousands of new species are discovered each year. This year’s notable finds include an Antarctic sea anemone and a leaf-tailed gecko.

Blogs | Dec 26, 2014

Tree ring study shows California’s drought worst in 1,200 years

Scientists say California’s drought is being driven by low (but not unprecedented) precipitation and record high temperatures.

Science Wire | Dec 16, 2014

Why does Earth have four seasons?

Many believe Earth’s changing distance from the sun causes the change in the seasons. But that is not the case.