A new era of spaceflight? Promising advances in rocket propulsion

The US Defense Advanced Research Projects Agency (Darpa) has recently commissioned three private companies, Blue Origin, Lockheed Martin and General Atomics, to develop nuclear fission thermal rockets for use in lunar orbit.

Understanding astrophysics with laser-accelerated protons

Bringing huge amounts of protons up to speed in the shortest distance in fractions of a second—that's what laser acceleration technology, greatly improved in recent years, can do. An international research team from the ...

Exploring oxidative pathways in nuclear fuel

Powerful atomic-resolution instruments and techniques at Pacific Northwest National Laboratory (PNNL) are revealing new information about the interaction of uranium dioxide (UO2) with water. These new insights will improve ...

Imaging method highlights new role for cellular 'skeleton' protein

While your skeleton helps your body to move, fine skeleton-like filaments within your cells likewise help cellular structures to move. Now, Salk researchers have developed a new imaging method that lets them monitor a small ...

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