These photos were made by a high resolution stereo camera on board the European Space Agency's Mars Express orbiter. The photos are of Hebes Chasma, an enclosed trough, almost five miles deep.Scientists believe these shots can be used to prove there was once water on Mars.

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I decided not to use the letter "F" just in case it is prohibited to write it with the "F" here. So anyway watch this hilarious video about Planet Earth.

It's a giant ball made of mostly hydrogen that circles a star 1,400 light-years away.Scientists believe the planet is about twice the size of Jupiter, and has a temperature of 2,300-degrees."There is probably not a really firm surface anywhere on the planet. You would sink into it," said Georgi Mandushev, a research scientist."It's just letting us know that nature has some surprises for us a much wider range of possibility than we could imagine," said astronomer Alan Boss.He said scientists "can't understand why these so-called fluffy planets are so fluffy. It really is

It means ..thousands of scientists from more than 60 nations working together on 220 projects at high latitudes. Scientists hope to improve their understanding of how changes to the polar regions affect the planet. It will be officially launched in Paris on 1 March, but the UK's programme, involving 65 institutions, was unveiled on Monday in London.

"My artwork contains nature elements due to an obsession of how rare it is for most of us to be in nature. What animals do you see on a daily basis? We have to turn on the TV just to see them. Humans started out loving nature and being one with it. We would pray before killing a tree, and now we destroy nature for an empty parking lot without even feeling bad.I've come to the decision that we are a disease on the planet. Look out of your plane window when you are flying into NYCWhat we have built looks like cancer on the earth, and this cancer will spread until one day nature will fight