New evidence suggests that a comet explosion over North America may have triggered a massive wave of destruction nearly 13,000 years ago, killing off mammoths and mastodons and wiping out one of the ...

Watch a science experiment showing how balloons can float using methane and hydrogen instead of helium. See how hydrogen is created with a simple chemical reaction, inflating balloons that rise into ...

Blockbuster action movies probably won't win any Oscars this Sunday, but the science behind these films' *spectacular* explosions is worthy of recognition. Reactions is going Hollywood in its latest ...