New research suggests there may be a hidden population of minimoons lurking near Earth, with fragments of the Moon traveling ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

HERE’S a question: do you know what happens to pee in space? If yes, urine with a chance of nailing this quiz. If not, you ...

ALMA observations of carbon monoxide emission from 15 protoplanetary disks reveal a stunning variety of gas structures, ...

A moon that resembles an iconic, fictional space station known to destroy planets may be a home for life beyond Earth.

Photographer Riste Spiroski snapped a striking view of the moon and Jupiter hanging over the ancient lake Ohrid in northern ...

Juno sheds light on Jupiter’s polar storms and Io’s hidden lava, offering insights at two of the solar system’s most extreme ...

"If there were only one object, that would be interesting but an outlier. If there's two, we're pretty confident that's a ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...