Here's your first look at what scientists think is the biggest chunk of the Chelyabinsk meteor, which crash-landed in the Chebarkul Lake in February, injuring as many as 950 people. "They weighed it using a giant steelyard balance," the AP tells us, "which displayed 570 kilograms (1,256 pounds) before it broke." [image by Alexander Firsov via AP]

Tuesday morning, the House Science Committee summoned NASA chief Charles Bolden to discuss the possibility of a major asteroid colliding with Earth. There were, probably, many enlightening conversations, but we'll focus on just one, as highlighted by the New York Daily News:

NASA astronaut Ron Garan yesterday photographed this Perseid meteor from a window in the International Space Station and posted the image online. Nice shot, Astro Ron! Fun fact: You might remember Ron as the guy who had to fix the clogged space toilet on the ISS last month. I'm going to guess that Ron is enjoying himself a bit more as his six-month stay at the space station comes to an end.

A "ball of fire"—likely a meteor—appeared over the U.S. Southeast tonight! You may be reassured to know that the volunteer fire department of Copiah County, Miss., "searched for whatever it was but didn't come up with anything."

For two to three hours before dawn on Wednesday and Thursday, you might be able to watch the Leonid meteor shower.

Two cricket fans were startled when a 4.5 billion-year-old meteor crashed near them. "We were quietly supping our pints, both looked up at the same time and saw a black object coming towards us," Richard Haynes told the Telegraph.

This Sheriff must have been quaking in his boots as he watched a huge fireball erupt in the sky. This video was taken from the dashboard camera of a sheriff police car, in Howard County, Iowa.

So that rock that fell from the heavens and landed in New Jersey? May have been a meteorite; it's hard to tell these days. Still, the crack team at the Star-Ledger went above and beyond to give you the full scoop: