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 ...

A team of astronomers have discovered a new moon hiding in plain sight in the outskirts of our solar system, orbiting the dwarf planet known as Makemake. Designated as S/2015 (136427), or MK 2 for ...

As NASA celebrates its fiftieth anniversary, "The Spirit of" takes a look at space. We will examine whether space exploration has progressed as quickly as it could have -- and tak ...

WASHINGTON -- Scientists said they have found evidence of water in the atmosphere of Jupiter's icy moon "Europa." NASA said its Hubble space telescope observed the presence of persistent water vapor ...

NASA is using the Hubble Space Telescope to search for oxygen-bearing minerals on the moon, which could be critical for sustaining a human presence there. The moon has no atmosphere, but minerals such ...

Astronomers using the Hubble Space Telescope have discovered a fourth moon orbiting Pluto. Pluto - for the record - is still classified as a dwarf planet. Astronomer Larry Wasserman of Lowell ...

A year after discovering Pluto's fourth moon, "P4," astronomers have learned of a fifth thanks to new images from the Hubble Space Telescope. Inventively named "P5," the moon is believed to be between ...

Scientists said Wednesday that they have used the Hubble Space Telescope to find oxygen-bearing minerals on the moon that could be used by explorers to produce breathing air, electricity and rocket ...