The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Using clever light-detecting techniques, ExTrA searches red dwarf stars for planets that might support life. By studying tiny ...

With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...

What’s lurking beneath the waters of a boat marina? We went magnet fishing to find out, and the results were unbelievable. From old weapons to historic artifacts, this was one of our wildest ...

However, in 2006, the International Astronomical Union (IAU) redefined what constitutes a planet, leading to Pluto’s reclassification as a dwarf planet ... that even Earth hasn’t fully ...

Archaeologists Reveal the Oldest Known “Rune Stone” in the World—Centuries Older Than the Vikings ...

The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting ...

The brown dwarf, not quite a planet ... Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star is estimated to be 64 percent ...

The dwarf planet is a bizarre ... Organic molecules are among the necessary inventory of life-friendly worlds. On Earth, the compounds of carbon, hydrogen and -- in smaller quantities -- other ...

The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting asteroids from the outer asteroid belt may have brought it with them. In the ...

On Earth, the compounds of carbon ... the researchers looked for previously unknown deposits of organic material on dwarf planet Ceres. With its location in the middle of the asteroid belt between the ...

Charon is unusual because it is the largest moon in the solar system compared with ... a double dwarf planet system, not a planet and moon. Charon is smaller than Earth's moon.