New research may shine a light on part of outer space's great mysteries: the Oort Cloud. The Oort Cloud is the name given to ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Scientists have peered through the atmosphere of a planet outside our solar system and discovered weather patterns "like ...

"The data from the termination shock encounter will be a treasure trove for space physicists worldwide who are eager to ...

Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in uprecedented detail.

Every Planet of Our Solar System Is Lining up in the February Night Sky NEW YORK (AP) — Seven planets grace the sky at the end of February in what's known as a planetary parade, though some will ...

New research from Harvard University suggests that Mars experienced alternating warm and cold periods billions of years ago, affecting its climate and ability to sustain liquid water. These ...