Long-range space exploration is currently hamstrung by having to accelerate spacecraft in comparative fits and starts using rocket engines that can only fire for a few minutes at a time, followed by months, years, and even decades of the spacecraft coasting from planet to planet. However, a propulsion method thatread more

For the last few decades NASA has been leaving few stones on the surface of Mars unturned—quite literally in some cases—in the search for extraterrestrial life within our own Solar System. But now an international team of researchers has found what may be a biosignature in the atmosphere of theread more