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World’s oldest microfossils in Canada

A new discovery provides direct evidence of one of Earth’s oldest life forms, in a place known to harbor some of Earth’s oldest rocks.

Born in March? Here’s your birthstone

Happy birthday to all you March babies. Your month has 2 birthstones – the aquamarine and the bloodstone.

Galapagos tortoise back from the brink

Galapagos giant tortoises, once on the brink of extinction, have made a comeback.

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.

Storm chasers honor Bill Paxton

An amazing several-state tribute – stretching across Tornado Alley – honoring Twister star Bill Paxton, who died Sunday due to complications from heart surgery.

20 years after Dolly

Everything you always wanted to know about the Dolly the cloned sheep and what came next, from a biomedical researcher and cloning expert.

Ancient tortoise reveals tropical DNA

This is a rare look at tropical DNA, courtesy of an ancient giant tortoise that tumbled into a sinkhole 1,000 years ago.

Scientists spy 8th continent, Zealandia

A long-lost land mass is submerged in the depths of the southwestern Pacific Ocean. Should it be recognized as a full-fledged continent?

Sick of watching politics? Watch live panda cam

Listen to the birds chirping and watch the giant panda loll around and chew on bamboo. Peace!

How did horses evolve?

A new ‘tree of life,’ showing how horses have evolved over the past 18 million years challenges long-held ideas.