The Universe Is Expanding Faster Than Scientists Thought. Illustration showing the three steps astronomers used to measure the universe's expansion rate to an unprecedented accuracy, reducing the total uncertainty to percent.
Development of massive elliptical galaxies -- This graphic shows the evolutionary sequence in the growth of massive elliptical galaxies over 13 billion years, as gleaned from space-based and ground-based telescopic observations.
NASA has captured the shadow of the mysterious and elusive Kuiper Belt object it will visit next
Artist's impression of the New Horizons spacecraft encountering a Kuiper Belt Object, as part of an extended mission after the Pluto flyby. In using the Hubble Space Telescope, New Horizons science team members discovered three Kuiper Belt Objects.