In a key geological moment about 66 million years ago, an enigmatic something killed off almost all the dinosaurs and some 70 percent of all other species living on Earth.
Two US scientists say they've come up with a method of deflecting or destroying asteroids that could have dealt with last Friday's in less than an hour.
The scientific community is aflutter after reports, images, and video of a massive meteor explosion in Russia clogged the Internet early Friday morning.
A few years ago, if a company had stepped up and said it planned to send unmanned spacecraft to explore the possibility of mining asteroids in near earth orbit, quite a number of us probably would have politely chuckled.
The asteroid collision that killed off the dinosaurs 65.5 million years ago also nearly wiped out snakes and lizards - including a newly-identified species of lizard named for President Obama.
Crazy as it sounds, an MIT scientist is proposing that, if a dangerous asteroid approaches the Earth, it could be deflected by firing paintballs at it.
Enormous troughs that encircle the asteroid Vesta may be faults that formed when another asteroid smacked into its south pole, and indicate that it has the same type of interior as a planet.
The mass extinction that took out the dinosaurs was already well underway by the time a six-mile asteroid slammed into Mexico's Yucatán Peninsula 65 million years ago, it appears.
Fresh from explaining to us why Batman's cape wouldn't save him from crash-landing, University of Leicester students have moved on to raining on Bruce Willis's parade.
