The demise of the dinosaurs is the world’s ultimate whodunit. Was it a comet or asteroid impact? Volcanic eruptions? Climate change?
In an attempt to resolve the issue, scientists at the Berkeley Geochronology Center (BGC),… Continue reading
Who will protect us from a killer asteroid? A team of ex-NASA astronauts and scientists thinks it’s up to them.
In a bold plan unveiled Thursday, the group… Continue reading