Peering to the outskirts of our solar system, NASA’s Hubble Space Telescope has spotted a small, dark moon orbiting Makemake, the second brightest icy dwarf planet after Pluto in the Kuiper Belt. The ...

This mottled landscape showing the impact crater Tycho is among the most violent-looking places on our Moon. Astronomers didn’t aim NASA’s Hubble Space Telescope to study Tycho, however. The image was ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CAPE CANAVERAL, Fla. (AP) — Jupiter and its ...

This story was updated at 11:05 a.m. EDT. A tiny new moon has been discovered around Pluto, the fourth and smallest one yet found orbiting the dwarf planet, photos from the Hubble Space Telescope ...

Astronomers using the Hubble Space Telescope discovered a fourth moon orbiting the icy dwarf planet Pluto. The tiny, new satellite – temporarily designated P4 -- was uncovered in a Hubble survey ...

Scientists are planning to use NASA's Hubble Space Telescope to observe next month's historic transit of Venus across the sun's face. But there's a twist. Researchers can't point Hubble anywhere near ...