Humans aren't as good as we should be in our capacity to empathize with feelings and thoughts of others, be they humans or other animals on Earth.

One of the things that fascinates me most is when people are so charmed by the universe that it becomes part of their artistic output.

It's part of our pop culture to give animals human personalities and talents.

That's the point, to get the people who wouldn't otherwise think to eavesdrop on a conversation that involves science.

But one of the coolest things about meteorites is that most were formed four-and-a-half-billion years ago, during the birth of our solar system, when, for reasons not yet known, a cloud of gas and dust was transformed into a sun with circling planets.

Gamma rays are the sort of radiation you should avoid. Want proof? Just remember how the comic strip character "The Hulk" became big, green, and ugly.

Today, in this, the 21st century, bedtime doesn't matter at all. All that matters is what you set for your DVR.