Green flames burst from a manhole cover at Texas Tech University. There had previously been an explosion in the manhole. Congress faces Friday deadline to fund the government. Here's what to know.

The Texas Tech University campus in Lubbock remains closed after a manhole explosion apparently sparked a series of fires around campus Wednesday night. Video shows green flames coming up ...

Retired Green Beret David Harris rates portrayals of explosions in movies and TV shows. He looks at how RPGs are employed in "Black Hawk Down," starring Josh Hartnett, Ewan McGregor, and Eric Bana ...

Is the population explosion over? Brown: If we define the population explosion ... NOVA: You've talked about the Green Revolution coming to a close. Why is that? Brown: In 1965, I was invited ...