... The latest map of the cosmos again indicates that dark matter and dark energy dominate our universe. ... Each group, roughly the size of Jupiter, is unusual not only for its size but because it is appearing over three years after solar maximum, the peak of solar surface activity. ... Awash in a sea of plasma and anchored in magnetic fields, sunspots are planet-sized, dark islands in the solar photosphere, the bright surface of the Sun. ... Mars Moons . ... The Heart and Soul Nebulas . ...