Chemical hydrogen storage system

Hydrogen is a highly attractive, but also highly explosive energy carrier, which requires safe, lightweight and cheap storage as well as transportation systems. Scientists at the Weizmann Institute of Science, Israel, have ...

How scientists are piecing together the history of the moon

In the solar system's early days, a first Earth is thought to have been pulverised by a planet that scientists call Theia. We don't know what it was made of or where it came from, only that it may have been the size of Mars. ...

The search for molecular oxygen among cosmic oxygen atoms

Oxygen is the third most abundant element in the universe (after hydrogen and helium) and of course it is important: all known life forms require liquid water and its oxygen content. For over thirty years, astronomers have ...

Let's send a private mission to Europa, expert says

Jupiter's icy moon Europa puzzles astrobiologists and sparks the imagination of extraterrestrial life seekers. It is believed that the moon has a subsurface ocean of liquid water, where life could possibly be similar to microbial ...

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