Groundbreaking research reveals the Oort Cloud's shape as a spiral structure, challenging traditional beliefs about its ...

Learn about the Oort cloud, a vast area beyond the inner solar system that is believed to contain icy objects arranged in a spiral shape.

What views of the night sky would we have if we had evolved on the Jupiter moon Europa, or one of the TRAPPIST-1 planets?

Middle school: The vote followed a 6-3 vote approving a motion to enable McClure to draft a Power Purchase Agreement for a ...

Witness a rare celestial spectacle as all seven planets in our solar system align next week—an event that won't repeat until ...

All seven of Earth's neighboring planets will be visible as the sun sets this week. Here's everything to know about the event ...

The answer is no. Each planet orbits the sun at a slightly different inclination, ranging from .8° for Uranus to 7° for Mercury. Earth is a special case; its inclination is 0° because it defines the ...

The edge of the Solar System is a strange place, full of oddities we've only just begun to probe. But perhaps the oddest of ...

Did you miss the last planetary alignment in January? Well, you're in luck. The next one is on Feb. 28 and is viewable from ...

Dis kind event, wey dem dey call 'planetary parade' no be common sight, and e go be di last time seven planets go dey seen at di same time so well until 2040. Di best chance to see as many planets as ...

New Frontiers has played a crucial role in U.S. efforts to explore the solar system and return valuable scientific ...

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could be visible, but not all can be seen by the naked eye.