The Earth is old. Far older than we can imagine. It has a history of life we've only glimpsed here and there from fossil records and other clues. It was here long before we came, and will be here long after we're gone. There's no better reminder of this than seeing how vulnerable life on the planet really is. This week's Science Weekend Warrior is all about appreciating life on Earth.

On the fourth of July, there will be more than just fireworks in the night sky. On July 4 and the following days after that, Saturn, Mars, and our very own Moon will be doing the cha-cha in the West sky, with the constellation of Leo providing the dancefloor. Details and sky maps in the full article.

If you've ever wondered how the guys over at NASA could take all those awesome pictures of Saturn and its rings, you should know that it's all thanks to the little space probe that could, Cassini-Huygens. And in this update, we catch wind about this spacecraft getting an extra two years up in space to further explore Saturn. All the details in the full article.

Astronomers believe that there's a strong possibility that life could exist on the icy Saturn's moon called Enceladus. This is due to several findings pointing out at several organic molecules and icy crystals. See the image that made NASA and the astronomers believe after the jump!

NASA's Cassini spacecraft was recently given the task of investigating the plumes of water vapor and ice crystals found erupting from the South Pole of Saturn's Enceladus. Any information gathered from this latest space mission will look into the nature of this strange phenomenon, as well as the possibility of the tiny moon being able to sustain life. More details about this in our full article.

Scientists have found two gas giant planets 5,000 light years away in a solar system that's quite like ours. The planets themselves, in fact, are similar to our own gas giants, Saturn and Jupiter. The discovery has raised hopes that we may find an Earth-like planet that may harbor life. More details in the full article.

NASA is aiming high with several new missions planned out after forwarding its request for the fiscal budget of 2009. These include three new robotic missions to the Moon, two new Earth science missions, and an ambitious mission to the outer solar system. You can take a look at more details on these ambitious new plans in the full article after the jump!

Can you imagine our Sun as it floats out in space? It's mass is equal to 332,946 Earths. Now imagine the Sun multiplied 18 billion times. That is the mass of the black hole that scientists have recently discovered. The biggest black hole yet. Details in the full article.

It's been established that where there's water, there could be life. Scientists are now in a heated debate on whether or not the water jetting off the surface of Saturn's moon Enceladus could be coming from an ancient ocean. A recent study has some answers, but are they accurate? Find out in the detailed version.

The image you see to the left is not a flying saucer. It's actually one of Saturn's moons that looks eerily like a UFO. Recent pictures show that Saturn has two of these moons and computer simulations indicate that they may have accumulated their rings by gathering debris from Saturn's own enigmatic ring. You'd think Saturn had had enough rings. More details, and a video of how these moves may have formed in the full article.