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Deanna Conners

How tiger sharks are helping seagrass

A heatwave in 2011 killed off seagrass beds in Shark Bay, Australia. Now, scientists have discovered that tiger sharks are helping the ecosystem recover.

Why trees shed their leaves

Something to think about while raking.

Largest-ever Gulf of Mexico dead zone

For 32 years, scientists have tracked the oxygen-depleted waters that appear each summer in the Gulf of Mexico. This year’s dead zone is the biggest yet.

How fireworks get their colors

The beautiful colors in fireworks – so good at stirring our emotions – are pure chemistry.

How do hurricanes get their names?

The Atlantic hurricane season starts June 1 and ends November 30. Here are the hurricane names for the 2017 season.

These bees nest in sandstone

Rock is apparently no match for Anthophora pueblo bees. Scientists have found their sandstone nests scattered across dry lands in the U.S. Southwest.

Today in science: Bingham Canyon landslide

On April 10, 2013, one of the largest non-volcanic landslides in the history of North America took place at the Bingham Canyon mine in Utah.

When is the next leap year?

If there were no leap years, eventually February would be a summer month for the Northern Hemisphere. 2017 isn’t a leap year, but 2020 will be.

Backyard Bird Count begins February 17

Looking for something fun to do this weekend? Why not join thousands of people from around the world in the 2017 Great Backyard Bird Count?

Why pine trees smell so good

Pine, spruce, and fir trees – Christmas tree favorites – produce chemicals called terpenes, which give them their special, distinctive scent.