New images of the Mercury taken by a robotic spacecraft have just been released — and they show the scorched planet in ...

Accessible to anyone the world over, witnessing the majesty of the solar system, including the Milky Way, and its billions of ...

Enigmatic planet Mercury posed for some closeups when the BepiColombo mission flew by. Craters, bright regions and volcanic ...

A very rare treat is about to grace Earth's night skies.

Behold, the giants! The Hubble Space Telescope has completed a decade of observing Jupiter, Saturn, Uranus and Neptune.

Global warming is moving faster than the best models can keep a handle on. Fifty years into the project of modeling Earth’s ...

This apocalyptic object, the Chicxulub impactor, slammed into the sea just off the coast of modern-day Mexico. From it, shock ...

"For observational astrophysicists, one widely accepted picture of planet formation was likely ... star at around 20 times the distance between Earth and the sun, taking 119.2 Earth years to ...

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...

The BepiColombo spacecraft flew less than 200 miles from Mercury's surface and photographed volcanic plains and icy craters.

"Springtime on Earth has lots of trickling as water ice gradually melts. But on Mars, everything happens with a bang," Serina ...