Nancy Grace Roman

Nancy Grace Roman: The astronomer who paved the way for the Hubble Space Telescope

Nancy Grace Roman: The astronomer who paved the way for the Hubble Space Telescope

Nancy Grace Roman did not build the Hubble Space Telescope herself, but she created the science plan, mobilized support from the astronomy community, and worked to secure the funding that made it possible. On the eve of the telescope's launch
It's been 30 years since the first planet was discovered around a star like our Sun. With each new discovery, scientists are getting closer to answering whether there are other planets like Earth that could host life as we know it. Credit: NASA/JPL-Caltech

We've crossed the 6,000-plus exoplanet mark — and some of them are stranger than science fiction planets

NASA has so far verified 6,000 exoplanets - a vast collection of alien worlds, from fiery giants and oceans of lava to stars with "gemstone" clouds or a density similar to Styrofoam.