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

This week, the night sky offers a rare and captivating display as two of our solar system's most distant planets, Saturn and Neptune, reach opposition according to IFLScience. This celestial event ...

About 4.6 billion years ago, our corner of space was basically just a boring cloud of gas and dust floating […] ...

Earth's core cannot be made just of iron — it also appears to contain carbon. And our research suggests it may contain a bit of oxygen and possibly silicon as well.

For years, astronomers have been excited about the idea that some planets beyond our solar system might be covered by vast, ...

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

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

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

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

In total, Saturn is thought to have at least 274 moons, the greatest number of natural satellites in the solar system. After its opposition, Saturn will stay visible for many weeks, but each passing ...