Saturn has pulled ahead of Jupiter again in the moon discovery race, thanks to a batch of 20 outer moons that bring the ringed planet’s total tally to 82. The… Read More
The scientists behind NASA’s New Horizons spacecraft have released the sharpest possible view of the mission’s latest target, a smooshed-in cosmic snowman known as 2014 MU69 or Ultima Thule. New… Read More
LAUREL, Md. — The sleeping bags are rolled out and the videos are cued up for a New Year’s celebration of cosmic proportions here at Johns Hopkins University’s Applied Physics Laboratory,… Read More
Astronomers say they’ve discovered the most distant body ever observed in our solar system, a potential dwarf planet that’s about 11 billion miles from the sun. Its nickname? “Farout.” The… Read More
NASA says its Voyager 2 probe has become the second human-made object to fly into interstellar space — six years after its twin, Voyager 1, became the first. Based on readings… Read More
Act Two of the 12-year-old New Horizons mission to Pluto and the solar system’s icy Kuiper Belt is heating up, with less than a month to go before NASA’s piano-sized spacecraft… Read More
While searching for a hypothetical Planet Nine, astronomers found a distant mini-world that’s been given a spooky nickname: “The Goblin.” The icy object was found at a distance of about… Read More
The hypothetical world known as Planet X or Planet Nine hasn’t yet been found, but thanks to the search, astronomers have discovered smaller worlds on the solar system’s edge. Mapping such objects could… Read More