Astronomers now routinely discover planets orbiting stars ... the Thirty Meter Telescope and the 24.5-meter Giant Magellan Telescope. These telescopes are all under construction and set to start ...

The Sun makes up 99% of all the mass in the Solar System ... The largest object is the asteroid belt is the dwarf planet Ceres, which is 950km in diameter (that's about the same the length ...

Scientists have discovered over a dozen planets orbiting white dwarfs, proving that not all worlds perish when their stars die. Although the habitable zone of a white dwarf is different from that ...

Using data from NASA's now-defunct Dawn spacecraft, scientists have discovered that the dwarf planet Ceres, the second wettest body in the solar system after Earth, could have an interior reserve ...

Hygiea, classified as an asteroid so far, might actually be a dwarf planet. The European Southern Observatory has been able to confirm that Hygiea has a spherical shape. But, Hygiea is missing a ...

Enceladus, a moon of Saturn, and Europa and Ganymede, moons of Jupiter, are all thought to have saltwater oceans buried under icy shells. Dwarf planets Pluto and Ceres are also suspected of having ...