One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...

The fundamental building blocks for planet formation can exist even in environments with extreme ultraviolet radiation, ...

After two decades of debate, research confirms that an odd binary star system has an equally odd planetary companion ...

The system ʋ Octantis (pronounced nu Octantis) should be hostile to planets. It contains a sub-giant star 57 percent heavier than our Sun and a white dwarf about 43 percent lighter.

NASA's James Webb Space Telescope has discovered water ice in a young star amongst the solar systems debris belt.

Between May 20 and 24, the moon, Saturn and Venus will meet in a mini 'planetary parade,' becoming visible in the northern ...

The lives and deaths of stars shape the universe—from the gentle fading of white dwarfs to the explosive furnaces that forged ...

Structures known as "zippers" and "twisters" in the early universe may explain why dwarf galaxies tend to line up with each ...

At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made by ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

From gravel-size meteoroids to mountain-size asteroids and even visitors from other star systems, space is packed with ...

The International Astronomical Union, which reclassified Pluto as a dwarf planet in 2006, is the arbiter of such ...