Earth Matters

Why is that bird dive-bombing you?

Now we know the reason for the narwhal's tusk

Rare western snowy plovers nesting in Los Angeles after 70-year absence

Should we tow icebergs from Antarctica to combat drought?

Earth has 9% more forest than we thought

Buzz Aldrin urges NASA to ditch the ISS and focus on Mars

Behold the unique beauty of a real desert oasis

See the Crab Nebula from 5 different observatories

Bear chases cyclist in Slovakian bike park

Record-breaking snowstorm puts a damper on California's 'super bloom'

A great tree 'migration' is underway

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