Phil Plait

Bad Astronomy

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comet coming to earth

Learn about new evidence that suggests life on Earth may have started with the help of molecules that were delivered by comets and asteroids.

Molecules From Space May Have Sparked Life on Earth Billions of Years Ago

A disintegrating planet orbits a giant star. “The extent of the tail is gargantuan, stretching up to 9 million kilometers long,” says Marc Hon, a postdoc in MIT’s Kavli Institute for Astrophysics and Space Research.  (Image Credit: Jose-Luis Olivares, MIT)


Disintegrating Planet

Learn why the planet, BD+05 4868 Ab, is only the fourth such discovered and will disappear in one to two million years.

A Disintegrating Planet Is Shedding Matter and Has a Comet-Like Tail 

Silkworm 

Healers have treated their patients with silk throughout history. Now they're harnessing its strength, biocompatibility, and biodegradability in innovative new ways.

Unraveling the Power of Silk

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