if an Earthlike world with significant water is needed for advanced life to evolve, there could be many candidates. In 44 computer simulations of planet formation near a sun, astronomers found that ...

An international research team has discovered a new planet so young that it has yet to emerge from the womb of matter where it is forming. This is the youngest protoplanet discovered to date. It’s ...

Our solar system is our immediate cosmic neighborhood. We know it well: the sun at the center; then the rocky planets Mercury, Venus, Earth, and Mars; and then the asteroid belt; followed by the gas ...

For decades, planetary scientists could not get a direct look at a cold, mature giant planet beyond our solar system. Instruments were not powerful enough to isolate the faint infrared glow of a world ...