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

President Donald Trump said in a social media post that he is renaming Veterans Day, which is on Nov. 11, as "Victory Day for ...

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.

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

When does the next full moon rise? Find out exactly when to see the full moons of 2025, including the full 'Flower Moon' on ...

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 ...

A celestial leap is set to take place over two nights as the moon and Jupiter will appear to dance near to each other in 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 ...