Written by the former chief historian of NASA, the book examines the evolution of our cosmic understanding—from early civilizations to the present day ...

You may need binoculars or a telescope for this one. It includes the three furthest planets in our solar system.

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

Astronomers are investigating the possibility of a hidden ninth planet beyond Neptune, which could explain unusual orbital patterns in the Kuiper Belt.

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

A joint Hubble and James Webb Space Telescope (JWST) project to learn more about the dusty disk around the bright star Vega ...

Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the distal solar system ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk ...

When we think of exoplanets that may be able to support life, we home in on the habitable zone. A habitable zone is a region ...

In this choose-your-own-adventure game, it's up to you to protect the planet. From nuclear strikes to giant spikes, find out ...

The smooth, planet-less disk of the Vega star system challenges planetary formation theories, suggesting alternative cosmic ...

AN ocean full of alien life could be hiding on an icy moon system not far from earth, in what scientists have called an ...