Astronomers used the sharp vision of NASA's Hubble Space Telescope to measure the mass of a dead star known as "white dwarfs".
NASA scientists discovered an ice ball planet the size of the Earth through microlensing. The ice ball planet is covered in ice and is not habitable.
A team of astronomers has recently discovered a new gas giant exoplanet that is three times bigger than Jupiter. The new extrasolar world was detected through the gravitational microlensing method.