Planet Earth

Planet Earth

Dolphins' dangerous search for safe water

Since the oil spill, 47 dolphins have beached themselves on Gulf shores.  

'They're running from something' 

Also: 

• Storm threatens efforts
• Photos of the spill
• More about dolphins

Optical illusion to 'magnify' the moon

A partial eclipse set for early Saturday could look supersized to some lucky viewers.  

Best regions to see it 

Also: 

• Space station's show
• Map of the night sky
• Antimatter discovery