Could the chemical debris of a shattered world hold clues to life elsewhere in the universe? Astronomers studying the white ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to ...

Hubble discovered a white dwarf planet devouring a Pluto-like object, revealing debris rich in water and nitrogen.

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

Editor’s note: This story was originally published on Aug. 24, 2024. A look back at local, national and world events through Deseret News archives. On Aug. 24, 2006, the International Astronomical ...

Scientists have detected methane gas glowing faintly above Makemake, an icy dwarf planet smaller and farther than Pluto in space. Until now, Pluto was the only object that far out in the solar system ...

In 2015, after flying for 9 years and covering nearly 5 billion kilometers, the New Horizons spacecraft successfully flew ...

Eight years after being reduced to a "dwarf planet" by the International Astronomical Union in 2006, our far distant cousin is finally getting some real push to be upgraded back to the ninth "planet" ...