A pulsar is a neutron star with its poles aimed toward Earth so that we can see the pulse of light resulting from the star's rapid spin and magnetic field.
For the 1st time, scientists measured the amount of organic carbon in rocks on Mars. NASA's Curiosity rover analyzed samples taken from ancient mudstones.
A new study from researchers in Europe shows how habitable water worlds don't need to be just like Earth. The results may help expand the search for alien life.
Will Starship beat SLS to space? Will SLS beat Starship? With Starship's FAA approval, and SLS's multiple delays, it's SLS v Starship in a mini space race!