Clues to Mars’ hidden past and what may have happened to its long-ago vanished rivers, and perhaps even oceans may be revealed when NASA’s Curiosity lands on Mars.
NASA researchers analyzing meteorite fragments in Canada have developed an explanation for a strong preference of left-handed over right-handed amino acids in meteorites.
Scientists have discovered the structure and operating procedures of a powerful anti-bacterial killing machine that could become an alternative to antibiotics.
Astronomers using the Hubble space telescope have witnessed a spiral galaxy in the early universe, billions of years before many other spiral galaxies formed.