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. 

MNN week in review: Hubble photos and the world's best beaches
Catch up on the environmental headlines from Mother Nature Network for the week of June 13-19.