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

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 ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

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

One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

A group of swirling storms at Jupiter's north pole are bouncing off each other, like bumper cars at the fairground.

Earth has only one natural satellite, the moon, which is relatively large compared to its parent planet. It orbits Earth at ...

Hello, Eos! Recently discovered molecular cloud is believed to be one of the largest structures in the sky and among the ...

ELVIS, a new holographic microscope developed at Portland State University, could help advance efforts to look for life on ...

Scientists have named the molecular structure “Eos,” after the Greek goddess of mythology who is the personification of the ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

"It's amazing that after 35 years, Hubble still holds a unique capability as a top workhorse for science discoveries and ...