Our picks for the week of June 13-19: 

• Did you know that our Milky Way is just one of at least 170 billion galaxies in the observable universe? These images from the Hubble Space Telescope give you a glimpse of 15 of them.

• Now let's aim the lens closer to home. Consider eight of the world's most eco-friendly beaches.
• Oil has been top of mind for weeks now. We wanted to put it in perspective with America's 10 worst man-made environmental disasters.

What would Al Gore do if he were president? That's the question Ken Edelstein ponders this week.

• It's hurricane season and there's still a lot of oil pouring into the Gulf. Will that combination raise gas prices?

• Congress grilled Big Oil this week and we've captured the highlights for you.

• Here's an oil spill angle you haven't heard: Hooters is doing it's part to help in the Gulf.

Pierce Brosnan and his wife walk the red carpet at the Global Green fundraiser.

• If your favorite high school student moving on to college this fall? Here are some great gift ideas.

• And finally, don't forget it's Father's Day on Sunday. If you need gift ideas, menu suggestions or fun activities for dear ol' Dad, we've got you covered.

PLUS: If you've been keeping up with the 2010 World Cup, you'll be able to name the partially obscured "instrument" in the photo above. Don't remember? Check out the week in photos.