This illustration reveals how the gravity of a white dwarf star warps space and bends the light of a distant star behind it. White dwarfs are the burned-out remnants of normal stars. The Hubble Space Telescope

ALMA has observed stars like the Sun at a very early stage in their formation and found traces of methyl isocyanate -- a chemical building block of life. This is the first ever detection of this prebiotic

Now you look at them, are not just a thing of quirky horror movies. The first documented procedure was carried out back in the ‘50s when surgeon and transplant pioneer Vladimir Demikhov grafted the head