the big bang
Scientists Think the Speed of Light Has Slowed, and They're Trying to Prove It
A controversial theory that would overturn Einstein’s theory of general relativity could soon be tested.
This Fun-Loving Comet Is Spraying Tons of Booze Into Space
NASA says that Comet Lovejoy "really lives up to its name" by emitting the equivalent of 500 bottles of wine a second. Oh yeah, and it might unlock the secrets of the origins of life!
The Sun Wasn't Warm Enough for Life When Life Began
The "weak young Sun" paradox became more perplexing this week.
The Big Bang: Bullets And Plexiglass Make Unlikely Galaxies
Photographer Deborah Bay explores the cosmic world of bullet-proof plexiglass.
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